132 ideas
| 20866 | Wise men participate in politics, especially if it shows moral progress [Stoic school, by Stobaeus] |
| 20854 | Wise men are never astonished at things which other people take to be wonders [Stoic school, by Diog. Laertius] |
| 20815 | No wise man has yet been discovered [Stoic school, by Cicero] |
| 1597 | Thales was the first western thinker to believe the arché was intelligible [Roochnik on Thales] |
| 20806 | Stoic physics concerns cosmos, elements and causes (with six detailed divisions) [Stoic school, by Diog. Laertius] |
| 20839 | Ethics studies impulse, good, passion, virtue, goals, value, action, appropriateness, encouragement [Stoic school, by Diog. Laertius] |
| 20867 | True philosophising is not memorising ideas, but living by them [Stoic school, by Stobaeus] |
| 21675 | Some facts are indispensable for an effect, and others actually necessitate the effect [Stoic school, by Cicero] |
| 224 | When questions are doubtful we should concentrate not on objects but on ideas of the intellect [Plato] |
| 20775 | Stoics study canons, criteria and definitions, in order to find the truth [Stoic school, by Diog. Laertius] |
| 21393 | Stoics believed that rational capacity in man (logos) is embodied in the universe [Stoic school, by Long] |
| 21810 | The Stoics distinguished spoken logos from logos within the mind [Stoic school, by Plotinus] |
| 232 | Opposites are as unlike as possible [Plato] |
| 20776 | Dialectics is mastery of question and answer form [Stoic school, by Diog. Laertius] |
| 8937 | Plato's 'Parmenides' is the greatest artistic achievement of the ancient dialectic [Hegel on Plato] |
| 20849 | Falsehoods corrupt a mind, producing passions and instability [Stoic school, by Diog. Laertius] |
| 20823 | The truth bearers are said to be the signified, or the signifier, or the meaning of the signifier [Stoic school, by Sext.Empiricus] |
| 20778 | Stoics like syllogisms, for showing what is demonstrative, which corrects opinions [Stoic school, by Diog. Laertius] |
| 21400 | Stoics avoided universals by paraphrasing 'Man is...' as 'If something is a man, then it is...' [Stoic school, by Long] |
| 20788 | The contradictory of a contradictory is an affirmation [Stoic school, by Diog. Laertius] |
| 13986 | Plato found antinomies in ideas, Kant in space and time, and Bradley in relations [Plato, by Ryle] |
| 14150 | Plato's 'Parmenides' is perhaps the best collection of antinomies ever made [Russell on Plato] |
| 16150 | One is, so numbers exist, so endless numbers exist, and each one must partake of being [Plato] |
| 229 | The one was and is and will be and was becoming and is becoming and will become [Plato] |
| 21821 | Plato's Parmenides has a three-part theory, of Primal One, a One-Many, and a One-and-Many [Plato, by Plotinus] |
| 221 | Absolute ideas, such as the Good and the Beautiful, cannot be known by us [Plato] |
| 21594 | Stoics applied bivalence to sorites situations, so everyone is either vicious or wholly virtuous [Stoic school, by Williamson] |
| 20824 | Stoics have four primary categories: substrates, qualities, dispositions, relative dispositions [Stoic school, by Simplicius] |
| 223 | If you deny that each thing always stays the same, you destroy the possibility of discussion [Plato] |
| 227 | You must always mean the same thing when you utter the same name [Plato] |
| 228 | Greatness and smallness must exist, to be opposed to one another, and come into being in things [Plato] |
| 210 | It would be absurd to think there were abstract Forms for vile things like hair, mud and dirt [Plato] |
| 220 | The concept of a master includes the concept of a slave [Plato] |
| 211 | If admirable things have Forms, maybe everything else does as well [Plato] |
| 219 | If absolute ideas existed in us, they would cease to be absolute [Plato] |
| 16151 | Plato moves from Forms to a theory of genera and principles in his later work [Plato, by Frede,M] |
| 212 | The whole idea of each Form must be found in each thing which participates in it [Plato] |
| 216 | If things are made alike by participating in something, that thing will be the absolute idea [Plato] |
| 215 | If things partake of ideas, this implies either that everything thinks, or that everything actually is thought [Plato] |
| 218 | Participation is not by means of similarity, so we are looking for some other method of participation [Plato] |
| 213 | Each idea is in all its participants at once, just as daytime is a unity but in many separate places at once [Plato] |
| 214 | If absolute greatness and great things are seen as the same, another thing appears which makes them seem great [Plato] |
| 217 | Nothing can be like an absolute idea, because a third idea intervenes to make them alike (leading to a regress) [Plato] |
| 20817 | Platonic Forms are just our thoughts [Stoic school, by Ps-Plutarch] |
| 15851 | Parts must belong to a created thing with a distinct form [Plato] |
| 6037 | Stoics say matter has qualities, and substance underlies it, with no form or qualities [Stoic school, by Chalcidius] |
| 15846 | In Parmenides, if composition is identity, a whole is nothing more than its parts [Plato, by Harte,V] |
| 15849 | Plato says only a one has parts, and a many does not [Plato, by Harte,V] |
| 15850 | Anything which has parts must be one thing, and parts are of a one, not of a many [Plato] |
| 13259 | It seems that the One must be composed of parts, which contradicts its being one [Plato] |
| 20825 | How is divisibility possible, if stoics say things remain united when they are divided? [Alexander on Stoic school] |
| 20826 | How is separateness possible, if separated things are always said to be united? [Alexander on Stoic school] |
| 20872 | Stoics say wholes are more than parts, but entirely consist of parts [Stoic school, by Sext.Empiricus] |
| 15847 | Two things relate either as same or different, or part of a whole, or the whole of the part [Plato] |
| 20790 | A proposition is possible if it is true when nothing stops it being true [Stoic school, by Diog. Laertius] |
| 20789 | Conditionals are false if the falsehood of the conclusion does not conflict with the antecedent [Stoic school, by Diog. Laertius] |
| 3013 | Nothing is stronger than necessity, which rules everything [Thales, by Diog. Laertius] |
| 20783 | Knowledge is a secure grasp of presentations which cannot be reversed by argument [Stoic school, by Diog. Laertius] |
| 20868 | Two sorts of opinion: either poorly grounded belief, or weak belief [Stoic school, by Stobaeus] |
| 20784 | There are non-sensible presentations, which come to us through the intellect [Stoic school, by Diog. Laertius] |
| 20803 | Stoics say we are born like a blank sheet of paper; the first concepts on it are sensations [Stoic school, by Ps-Plutarch] |
| 6025 | At birth the soul is a blank sheet ready to be written on [Stoic school, by Aetius] |
| 20781 | Non-graspable presentations are from what doesn't exist, or are not clear and distinct [Stoic school, by Diog. Laertius] |
| 20792 | Stoic perception is a presentation to which one voluntarily assents [Stoic school, by Stobaeus] |
| 20805 | All our concepts come from experience, directly, or by expansion, reduction or compounding [Stoic school, by Sext.Empiricus] |
| 20782 | Dialectic is a virtue which contains other virtues [Stoic school, by Diog. Laertius] |
| 1772 | For Stoics knowledge is an assertion which never deviates from the truth [Stoic school, by Diog. Laertius] |
| 20779 | Demonstration derives what is less clear from what is clear [Stoic school, by Diog. Laertius] |
| 23251 | The Stoics think that soul in the narrow sense is nothing but reason [Stoic school, by Frede,M] |
| 20809 | Eight parts of the soul: five senses, seeds, speech and reason [Stoic school, by Diog. Laertius] |
| 23321 | Division of the soul divides a person, reducing responsibility for the nonrational part [Stoic school, by Frede,M] |
| 23267 | Stoics say the soul is a mixture of air and fire [Stoic school, by Galen] |
| 20785 | Our conceptions arise from experience, similarity, analogy, transposition, composition and opposition [Stoic school, by Diog. Laertius] |
| 7502 | For Stoics the true self is defined by what I can be master of [Stoic school, by Foucault] |
| 23327 | Stoics expanded the idea of compulsion, and contracted what counts as one's own actions [Stoic school, by Frede,M] |
| 7672 | The free will problem was invented by the Stoics [Stoic school, by Berlin] |
| 23315 | The nearest to ancient determinism is Stoic fate, but that is controlled by a sympathetic God [Stoic school, by Frede,M] |
| 4014 | Stoics classify passions according to the opinion of good and bad which they imply [Stoic school, by Taylor,C] |
| 23988 | There are four basic emotions: pleasure or delight, distress, appetite, and fear [Stoic school, by Cicero] |
| 6594 | Stoics said that correct judgement needs an invincible criterion of truth [Stoic school, by Fogelin] |
| 20804 | Concepts are intellectual phantasms [Stoic school, by Ps-Plutarch] |
| 20786 | Predicates are incomplete 'lekta' [Stoic school, by Diog. Laertius] |
| 23322 | Humans have rational impressions, which are conceptual, and are true or false [Stoic school, by Frede,M] |
| 20777 | Rhetoric has three types, four modes, and four sections [Stoic school, by Diog. Laertius] |
| 23323 | Earlier Stoics speak of assent, but not of choice, let alone of a will [Stoic school, by Frede,M] |
| 23305 | Stoics said responsibility depends on rationality [Stoic school, by Sorabji] |
| 1907 | Stoics use 'kalon' (beautiful) as a synonym for 'agathon' (good) [Bury on Stoic school] |
| 22757 | Stoics say that folly alone is evil [Stoic school, by Sext.Empiricus] |
| 20846 | Prime values apply to the life in agreement; useful values apply to the natural life [Stoic school, by Diog. Laertius] |
| 20847 | The appraiser's value is what is set by someone experienced in the facts [Stoic school, by Diog. Laertius] |
| 20870 | The goal is to live consistently with the constitution of a human being [Stoic school, by Clement] |
| 22238 | Stoics said health is an 'indifferent', but they still considered it preferable [Stoic school, by Pormann] |
| 20861 | The health of the soul is a good blend of beliefs [Stoic school, by Stobaeus] |
| 3553 | Stoic morality says that one's own happiness will lead to impartiality [Stoic school, by Annas] |
| 20851 | Virtuous men do not feel sexual desire, which merely focuses on physical beauty [Stoic school, by Diog. Laertius] |
| 7499 | Stoicism was an elitist option to lead a beautiful life [Stoic school, by Foucault] |
| 20843 | Final goods: confidence, prudence, freedom, enjoyment and no pain, good spirits, virtue [Stoic school, by Diog. Laertius] |
| 22753 | Happiness for the Stoics was an equable flow of life [Stoic school, by Sext.Empiricus] |
| 20865 | Happiness is the end and goal, achieved by living virtuously, in agreement, and according to nature [Stoic school, by Stobaeus] |
| 20840 | Stoics say pleasure is at most a byproduct of finding what is suitable for us [Stoic school, by Diog. Laertius] |
| 20852 | Rapture is a breakdown of virtue [Stoic school, by Diog. Laertius] |
| 6895 | If humans are citizens of the world (not just a state) then virtue is all good human habits [Stoic school, by Mautner] |
| 20848 | An appropriate action is one that can be defended, perhaps by its consistency. [Stoic school, by Diog. Laertius] |
| 20844 | Honour is just, courageous, orderly or knowledgeable. It is praiseworthy, or functions well [Stoic school, by Diog. Laertius] |
| 4012 | The Stoics rejected entirely the high value that had been placed on contemplation [Stoic school, by Taylor,C] |
| 5073 | Stoics do not despise external goods, but subject them to reason, and not to desire [Taylor,R on Stoic school] |
| 20862 | Crafts like music and letters are virtuous conditions, and they accord with virtue [Stoic school, by Stobaeus] |
| 5072 | For Stoics, obligations are determined by social role [Taylor,R on Stoic school] |
| 21396 | Man is distinguished by knowing conditional truths, because impressions are connected [Stoic school, by Long] |
| 1781 | Stoics favour a mixture of democracy, monarchy and aristocracy [Stoic school, by Diog. Laertius] |
| 20859 | The best government blends democracy, monarchy and aristocracy [Stoic school, by Diog. Laertius] |
| 21384 | The Stoics saw the whole world as a city [Stoic school, by Long] |
| 3561 | Stoics originated the concept of natural law, as agreed correct reasoning [Stoic school, by Annas] |
| 222 | Only a great person can understand the essence of things, and an even greater person can teach it [Plato] |
| 3046 | Stoics say a wise man will commit suicide if he has a good enough reason [Stoic school, by Diog. Laertius] |
| 20858 | Suicide is reasonable, for one's country or friends, or because of very bad health [Stoic school, by Diog. Laertius] |
| 3556 | Stoic 'nature' is deterministic, physical and teleological [Stoic school, by Annas] |
| 22743 | Unlike Epicurus, Stoics distinguish the Whole from the All, with the latter including the void [Stoic school, by Sext.Empiricus] |
| 1494 | Thales said water is the first principle, perhaps from observing that food is moist [Thales, by Aristotle] |
| 225 | The unlimited has no shape and is endless [Plato] |
| 231 | Everything partakes of the One in some way [Plato] |
| 2062 | The only movement possible for the One is in space or in alteration [Plato] |
| 233 | Some things do not partake of the One [Plato] |
| 13296 | The cosmos has two elements - passive matter, and active cause (or reason) which shapes it [Stoic school, by Seneca] |
| 1713 | Thales must have thought soul causes movement, since he thought magnets have soul [Thales, by Aristotle] |
| 20827 | The cosmos is regularly consumed and reorganised by the primary fire [Stoic school, by Aristocles] |
| 7815 | Early Stoics called the logos 'god', meaning not a being, but the principle of the universe [Stoic school] |
| 234 | We couldn't discuss the non-existence of the One without knowledge of it [Plato] |
| 6038 | Stoics say god is matter, or an inseparable quality of it, or is the power within it [Stoic school, by Chalcidius] |
| 1742 | Thales said the gods know our wrong thoughts as well as our evil actions [Thales, by Diog. Laertius] |
| 20829 | Virtuous souls endure till the end, foolish souls for a short time, animal souls not at all [Stoic school, by Eusebius] |
| 6039 | Stoics say virtuous souls last till everything ends in fire, but foolish ones fade away [Stoic school, by ] |