238 ideas
9199 | Wisdom for one instant is as good as wisdom for eternity [Chrysippus] |
21875 | The wisdom of a free man is a meditation on life, not on death [Spinoza] |
17230 | If we are not wholly wise, we should live by good rules and maxims [Spinoza] |
20853 | Wise men should try to participate in politics, since they are a good influence [Chrysippus, by Diog. Laertius] |
19456 | Philosophy is distinguished from other sciences by its complete lack of presuppositions [Feuerbach] |
20772 | Three branches of philosophy: first logic, second ethics, third physics (which ends with theology) [Chrysippus] |
17200 | We must be careful to keep words distinct from ideas and images [Spinoza] |
17194 | Reason only explains what is universal, so it is timeless, under a certain form of eternity [Spinoza] |
4840 | Reason perceives things under a certain form of eternity [Spinoza] |
17213 | In so far as men live according to reason, they will agree with one another [Spinoza] |
4819 | There is necessarily for each existent thing a cause why it should exist [Spinoza] |
5969 | Chrysippus said the uncaused is non-existent [Chrysippus, by Plutarch] |
21864 | Truth is its own standard [Spinoza] |
8018 | Spinoza's life shows that love of truth which he proclaims as the highest value [MacIntyre on Spinoza] |
5641 | For Spinoza, 'adequacy' is the intrinsic mark of truth [Spinoza, by Scruton] |
21388 | The causes of future true events must exist now, so they will happen because of destiny [Chrysippus, by Cicero] |
4816 | A true idea must correspond with its ideate or object [Spinoza] |
20780 | Graspable presentations are criteria of facts, and are molded according to their objects [Chrysippus, by Diog. Laertius] |
20793 | How could you ever know that the presentation is similar to the object? [Sext.Empiricus on Chrysippus] |
8077 | Stoic propositional logic is like chemistry - how atoms make molecules, not the innards of atoms [Chrysippus, by Devlin] |
20791 | Chrysippus has five obvious 'indemonstrables' of reasoning [Chrysippus, by Diog. Laertius] |
8078 | Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin] |
20309 | If our ideas are adequate, what follows from them is also adequate [Spinoza] |
6023 | Every proposition is either true or false [Chrysippus, by Cicero] |
17185 | Mathematics deals with the essences and properties of forms [Spinoza] |
17222 | The sum of its angles follows from a triangle's nature [Spinoza] |
17197 | The idea of a triangle involves truths about it, so those are part of its essence [Spinoza] |
17174 | Outside the mind, there are just things and their properties [Spinoza] |
17176 | The more reality a thing has, the more attributes it has [Spinoza] |
17179 | There must always be a reason or cause why some triangle does or does not exist [Spinoza] |
5992 | Chrysippus says action is the criterion for existence, which must be physical [Chrysippus, by Tieleman] |
17186 | Men say they prefer order, not realising that we imagine the order [Spinoza] |
20127 | Laws of nature are universal, so everything must be understood through those laws [Spinoza] |
21673 | There are simple and complex facts; the latter depend on further facts [Chrysippus, by Cicero] |
16652 | Stoics categories are Substrate, Quality, Disposition, and Relation [Chrysippus, by Pasnau] |
17170 | An 'attribute' is what the intellect takes as constituting an essence [Spinoza] |
17171 | A 'mode' is an aspect of a substance, and conceived through that substance [Spinoza] |
17195 | Things persevere through a force which derives from God [Spinoza] |
17206 | The essence of a thing is its effort to persevere [Spinoza] |
17192 | The 'universal' term 'man' is just imagining whatever is the same in a multitude of men [Spinoza] |
17188 | A thing is unified if its parts produce a single effect [Spinoza] |
5639 | Spinoza implies that thought is impossible without the notion of substance [Spinoza, by Scruton] |
21857 | Substance is the power of self-actualisation [Spinoza, by Lord] |
4813 | Substance is that of which an independent conception can be formed [Spinoza] |
16058 | Dion and Theon coexist, but Theon lacks a foot. If Dion loses a foot, he ousts Theon? [Chrysippus, by Philo of Alexandria] |
4828 | The essence of a thing is what is required for it to exist or be conceived [Spinoza] |
17187 | Essence gives existence and conception to things, and is inseparable from them [Spinoza] |
17191 | Nothing is essential if it is in every part, and is common to everything [Spinoza] |
17184 | All natures of things produce some effect [Spinoza] |
16059 | Change of matter doesn't destroy identity - in Dion and Theon change is a condition of identity [Chrysippus, by Long/Sedley] |
17205 | Only an external cause can destroy something [Spinoza] |
17175 | There cannot be two substances with the same attributes [Spinoza] |
17173 | Two substances can't be the same if they have different attributes [Spinoza] |
17183 | Things are impossible if they imply contradiction, or their production lacks an external cause [Spinoza] |
4299 | Contingency is an illusion, resulting from our inadequate understanding [Spinoza, by Cottingham] |
4824 | We only call things 'contingent' in relation to the imperfection of our knowledge [Spinoza] |
4839 | Reason naturally regards things as necessary, and only imagination considers them contingent [Spinoza] |
4822 | Divine nature makes all existence and operations necessary, and nothing is contingent [Spinoza] |
17182 | Necessity is in reference to essence or to cause [Spinoza] |
4818 | People who are ignorant of true causes imagine anything can change into anything else [Spinoza] |
20310 | Error does not result from imagining, but from lacking the evidence of impossibility [Spinoza] |
17208 | A horse would be destroyed if it were changed into a man or an insect [Spinoza] |
17209 | A thing is contingent if nothing in its essence determines whether or not it exists [Spinoza] |
5640 | Spinoza's three levels of knowledge are perception/imagination, then principles, then intuitions [Spinoza, by Scruton] |
17211 | Understanding is the sole aim of reason, and the only profit for the mind [Spinoza] |
21801 | Unlike Descartes' atomism, Spinoza held a holistic view of belief [Spinoza, by Schmid] |
17193 | True ideas intrinsically involve the highest degree of certainty [Spinoza] |
21863 | You only know you are certain of something when you actually are certain of it [Spinoza] |
17199 | A man who assents without doubt to a falsehood is not certain, but lacks a cause to make him waver [Spinoza] |
5638 | 'I think' is useless, because it is contingent, and limited to the first person [Spinoza, by Scruton] |
4831 | If the body is affected by an external object, the mind can't help believing that the object exists [Spinoza] |
4865 | The eyes of the mind are proofs [Spinoza] |
20306 | Once we have experienced two feelings together, one will always give rise to the other [Spinoza] |
4835 | Anyone who knows, must know that they know, and even know that they know that they know.. [Spinoza] |
20308 | Encounters with things confuse the mind, and internal comparisons bring clarity [Spinoza] |
4312 | To understand a phenomenon, we must understand why it is necessary, not merely contingent [Spinoza, by Cottingham] |
4833 | The human mind is the very idea or knowledge of the human body [Spinoza] |
16198 | Knowledge is the essence of the mind [Spinoza] |
17198 | Will and intellect are the same thing [Spinoza] |
17201 | The will is finite, but the intellect is infinite [Spinoza] |
17196 | The will is not a desire, but the faculty of affirming what is true or false [Spinoza] |
21805 | Spinoza held that the mind is just a bundle of ideas [Spinoza, by Schmid] |
17204 | Animals are often observed to be wiser than people [Spinoza] |
1875 | Dogs show reason in decisions made by elimination [Chrysippus, by Sext.Empiricus] |
17212 | To understand is the absolute virtue of the mind [Spinoza] |
21804 | Faculties are either fictions, or the abstract universals of ideas [Spinoza] |
4832 | If the body is affected by two things together, the imagining of one will conjure up the other [Spinoza] |
21869 | Our own force of persevering is nothing in comparison with external forces [Spinoza] |
20307 | As far as possible, everything tries to persevere [Spinoza] |
21803 | The conatus (striving) of mind and body together is appetite, which is the essence of man [Spinoza] |
4836 | The mind only knows itself by means of ideas of the modification of the body [Spinoza] |
21861 | Self-knowledge needs perception of the affections of the body [Spinoza] |
17216 | The poet who forgot his own tragedies was no longer the same man [Spinoza] |
4814 | A thing is free if it acts by necessity of its own nature, and the act is determined by itself alone [Spinoza] |
20834 | Chrysippus allows evil to say it is fated, or even that it is rational and natural [Plutarch on Chrysippus] |
20833 | A swerve in the atoms would be unnatural, like scales settling differently for no reason [Chrysippus, by Plutarch] |
21802 | An act of will can only occur if it has been caused, which implies a regress of causes [Spinoza] |
4837 | 'Free will' is a misunderstanding arising from awareness of our actions, but ignorance of their causes [Spinoza] |
4843 | Would we die if we lacked free will, and were poised between equal foods? Yes! [Spinoza] |
4844 | The mind is not free to remember or forget anything [Spinoza] |
20835 | Chrysippus is wrong to believe in non-occurring future possibilities if he is a fatalist [Plutarch on Chrysippus] |
4311 | We think we are free because we don't know the causes of our desires and choices [Spinoza] |
7828 | The actual world is the only one God could have created [Spinoza] |
20808 | Everything is fated, either by continuous causes or by a supreme rational principle [Chrysippus, by Diog. Laertius] |
20837 | Fate is an eternal and fixed chain of causal events [Chrysippus] |
20836 | The Lazy Argument responds to fate with 'why bother?', but the bothering is also fated [Chrysippus, by Cicero] |
21679 | When we say events are fated by antecedent causes, do we mean principal or auxiliary causes? [Chrysippus] |
5971 | Destiny is only a predisposing cause, not a sufficient cause [Chrysippus, by Plutarch] |
21860 | Ideas and things have identical connections and order [Spinoza] |
4308 | Mind and body are one thing, seen sometimes as thought and sometimes as extension [Spinoza] |
4846 | We are incapable of formulating an idea which excludes the existence of our body [Spinoza] |
4834 | Mind and body are the same thing, sometimes seen as thought, and sometimes as extension [Spinoza] |
23951 | Emotion is a modification of bodily energy, controlling our actions [Spinoza] |
4849 | The three primary emotions are pleasure, pain and desire [Spinoza] |
23990 | The three primary emotions are pleasure, pain, and desire [Spinoza, by Goldie] |
17203 | Minds are subject to passions if they have inadequate ideas [Spinoza] |
4864 | An emotion is only bad if it hinders us from thinking [Spinoza] |
7832 | Stoics want to suppress emotions, but Spinoza overcomes them with higher emotions [Spinoza, by Stewart,M] |
4863 | An emotion comes more under our control in proportion to how well it is known to us [Spinoza] |
4841 | People make calculation mistakes by misjudging the figures, not calculating them wrongly [Spinoza] |
21807 | Ideas are powerful entities, which can produce further ideas [Spinoza, by Schmid] |
4830 | An 'idea' is a mental conception which is actively formed by the mind in thinking [Spinoza] |
4842 | Ideas are not images formed in the brain, but are the conceptions of thought [Spinoza] |
20311 | An idea involves affirmation or negation [Spinoza] |
20787 | A proposition is what can be asserted or denied on its own [Chrysippus] |
4838 | Claiming that actions depend on the will is meaningless; no one knows what the will is [Spinoza] |
4309 | Spinoza argues that in reality the will and the intellect are 'one and the same' [Spinoza, by Cottingham] |
20850 | Passions are judgements; greed thinks money is honorable, and likewise drinking and lust [Chrysippus, by Diog. Laertius] |
20305 | Whenever we act, then desire is our very essence [Spinoza] |
21868 | We love or hate people more strongly because we think they are free [Spinoza] |
17202 | We are the source of an action if only our nature can explain the action [Spinoza] |
21865 | We act when it follows from our nature, and is understood in that way [Spinoza] |
20869 | The highest degree of morality performs all that is appropriate, omitting nothing [Chrysippus] |
3044 | Stoics say that beauty and goodness are equivalent and linked [Chrysippus, by Diog. Laertius] |
20838 | Fate initiates general causes, but individual wills and characters dictate what we do [Chrysippus] |
21873 | Men only agree in nature if they are guided by reason [Spinoza] |
21872 | We seek our own advantage, and virtue is doing this rationally [Spinoza] |
20813 | Human purpose is to contemplate and imitate the cosmos [Chrysippus] |
17189 | The essence of man is modifications of the nature of God [Spinoza] |
17207 | By 'good' I mean what brings us ever closer to our model of human nature [Spinoza] |
8019 | Along with his pantheism, Spinoza equates ethics with the study of human nature [Spinoza, by MacIntyre] |
17229 | If infancy in humans was very rare, we would consider it a pitiful natural defect [Spinoza] |
3045 | Stoics say justice is a part of nature, not just an invented principle [Chrysippus, by Diog. Laertius] |
20774 | Only nature is available to guide action and virtue [Chrysippus] |
4845 | We don't want things because they are good; we judge things to be good because we want them [Spinoza] |
20864 | Live in agreement, according to experience of natural events [Chrysippus] |
17217 | Love is joy with an external cause [Spinoza] |
4848 | Love is nothing else but pleasure accompanied by the idea of an external cause [Spinoza] |
7833 | Spinoza names self-interest as the sole source of value [Spinoza, by Stewart,M] |
17224 | If our ideas were wholly adequate, we would have no concept of evil [Spinoza] |
5972 | Living happily is nothing but living virtuously [Chrysippus, by Plutarch] |
1777 | Pleasure is not the good, because there are disgraceful pleasures [Chrysippus, by Diog. Laertius] |
5973 | Justice can be preserved if pleasure is a good, but not if it is the goal [Chrysippus, by Plutarch] |
21870 | Music is good for a melancholic, bad for a mourner, and indifferent to the deaf [Spinoza] |
4860 | Man's highest happiness consists of perfecting his understanding, or reason [Spinoza] |
4847 | Pleasure is a passive state in which the mind increases in perfection [Spinoza] |
20845 | There are shameful pleasures, and nothing shameful is good, so pleasure is not a good [Chrysippus, by Diog. Laertius] |
4859 | Pleasure is only bad in so far as it hinders a man's capability for action [Spinoza] |
4851 | Reason demands nothing contrary to nature, and so it demands self-love [Spinoza] |
17220 | Self-satisfaction is the highest thing for which we can hope [Spinoza] |
5967 | People need nothing except corn and water [Chrysippus, by Plutarch] |
4852 | Both virtue and happiness are based on the preservation of one's own being [Spinoza] |
5966 | All virtue is good, but not always praised (as in not lusting after someone ugly) [Chrysippus] |
20855 | Chrysippus says virtue can be lost (though Cleanthes says it is too secure for that) [Chrysippus, by Diog. Laertius] |
5970 | Chrysippus says nothing is blameworthy, as everything conforms with the best nature [Chrysippus, by Plutarch] |
17214 | To act virtuously is to act rationally [Spinoza] |
21871 | The more we strive for our own advantage, the more virtuous we are [Spinoza] |
17210 | All virtue is founded on self-preservation [Spinoza] |
4856 | To live according to reason is to live according to the laws of human nature [Spinoza] |
17221 | A man ignorant of himself is ignorant of all of the virtues [Spinoza] |
17225 | In a free man, choosing flight can show as much strength of mind as fighting [Spinoza] |
17219 | A person unmoved by either reason or pity to help others is rightly called 'inhuman' [Spinoza] |
4857 | Pity is a bad and useless thing, as it is a pain, and rational people perform good deeds without it [Spinoza] |
17223 | Pity is not a virtue, but at least it shows a desire to live uprightly [Spinoza] |
17218 | People who live according to reason should avoid pity [Spinoza] |
17228 | Rational people judge money by needs, and live contented with very little [Spinoza] |
4853 | Rational people are self-interested, but also desire the same goods for other people [Spinoza] |
4858 | A rational person will want others to have the goods he seeks for himself [Spinoza] |
4855 | If people are obedient to reason, they will live in harmony [Spinoza] |
20842 | Rational animals begin uncorrupted, but externals and companions are bad influences [Chrysippus, by Diog. Laertius] |
21874 | The ideal for human preservation is unanimity among people [Spinoza] |
8020 | Only self-knowledge can liberate us [Spinoza, by MacIntyre] |
7412 | Spinoza extended Hobbes's natural rights to cover all possible desires and actions [Spinoza, by Tuck] |
17227 | Slavery is a disgraceful crime [Spinoza] |
20856 | Justice, the law, and right reason are natural and not conventional [Chrysippus, by Diog. Laertius] |
17226 | The best use of talent is to teach other people to live rationally [Spinoza] |
4854 | It is impossible that the necessity of a person's nature should produce a desire for non-existence [Spinoza] |
1779 | We don't have obligations to animals as they aren't like us [Chrysippus, by Diog. Laertius] |
20857 | Justice is irrelevant to animals, because they are too unlike us [Chrysippus, by Diog. Laertius] |
17215 | Animals feel, but that doesn't mean we can't use them for our pleasure and profit [Spinoza] |
17190 | We can easily think of nature as one individual [Spinoza] |
20812 | Covers are for shields, and sheaths for swords; likewise, all in the cosmos is for some other thing [Chrysippus] |
4826 | Nature has no particular goal in view, and final causes are mere human figments [Spinoza] |
1587 | Spinoza strongly attacked teleology, which is the lifeblood of classical logos [Roochnik on Spinoza] |
1588 | For Spinoza eyes don't act for purposes, but follow mechanical necessity [Roochnik on Spinoza] |
12731 | Final causes are figments of human imagination [Spinoza] |
4821 | An infinite line can be marked in feet or inches, so one infinity is twelve times the other [Spinoza] |
17177 | In nature there is just one infinite substance [Spinoza] |
21403 | The later Stoics identified the logos with an air-fire compound, called 'pneuma' [Chrysippus, by Long] |
20828 | Fire is a separate element, not formed with others (as was previously believed) [Chrysippus, by Stobaeus] |
5975 | Stoics say earth, air, fire and water are the primary elements [Chrysippus, by Plutarch] |
4850 | A final cause is simply a human desire [Spinoza] |
4815 | From a definite cause an effect necessarily follows [Spinoza] |
20819 | The past and the future subsist, but only the present exists [Chrysippus, by Plutarch] |
20818 | The present does not exist, so our immediate experience is actually part past and part future [Chrysippus, by Plutarch] |
20821 | Time is continous and infinitely divisible, so there cannot be a wholly present time [Chrysippus, by Stobaeus] |
7835 | The key question for Spinoza is: is his God really a God? [Stewart,M on Spinoza] |
17231 | God feels no emotions, of joy or sorrow [Spinoza] |
4823 | God does not act according to the freedom of the will [Spinoza] |
17172 | God is a substance with infinite attributes [Spinoza] |
12928 | Spinoza's God is just power and necessity, without perfection or wisdom [Leibniz on Spinoza] |
7571 | Spinoza's God is not a person [Spinoza, by Jolley] |
4314 | God is wholly without passions, and strictly speaking does not love anyone [Spinoza, by Cottingham] |
7609 | God is the sum and principle of all eternal laws [Spinoza, by Armstrong,K] |
19435 | God is not loveable for producing without choice and by necessity; God is loveable for his goodness [Leibniz on Spinoza] |
21859 | God has no purpose, because God lacks nothing [Spinoza] |
3048 | Stoics say that God the creator is the perfection of all animals [Chrysippus, by Diog. Laertius] |
20773 | The origin of justice can only be in Zeus, and in nature [Chrysippus] |
4825 | To say that God promotes what is good is false, as it sets up a goal beyond God [Spinoza] |
5965 | The source of all justice is Zeus and the universal nature [Chrysippus] |
3042 | Stoics teach that law is identical with right reason, which is the will of Zeus [Chrysippus, by Diog. Laertius] |
21856 | Spinoza says a substance of infinite attributes cannot fail to exist [Spinoza, by Lord] |
17178 | Denial of God is denial that his essence involves existence, which is absurd [Spinoza] |
21858 | God is being as such, and you cannot conceive of the non-existence of being [Spinoza, by Lord] |
4820 | God must necessarily exist, because no reason can be given for his non-existence [Spinoza] |
17169 | Some things makes me conceive of it as a thing whose essence requires its existence [Spinoza] |
4817 | If a thing can be conceived as non-existing, its essence does not involve existence [Spinoza] |
4827 | Priests reject as heretics anyone who tries to understand miracles in a natural way [Spinoza] |
12757 | That God is the substance of all things is an ill-reputed doctrine [Leibniz on Spinoza] |
4829 | The human mind is part of the infinite intellect of God [Spinoza] |
17181 | God is the efficient cause of essences, as well as of existences [Spinoza] |
17180 | Everything is in God, and nothing exists or is thinkable without God [Spinoza] |
7836 | In Spinoza, one could substitute 'nature' or 'substance' for the word 'God' throughout [Spinoza, by Stewart,M] |
1782 | Stoics teach that God is a unity, variously known as Mind, or Fate, or Jupiter [Chrysippus, by Diog. Laertius] |
7831 | Spinoza's theory of mind implies that there is no immortality [Spinoza, by Stewart,M] |
21876 | After death, something eternal remains of the mind [Spinoza] |
20830 | Death can't separate soul from body, because incorporeal soul can't unite with body [Chrysippus] |
21404 | There is a rationale in terrible disasters; they are useful to the whole, and make good possible [Chrysippus] |