70 ideas
3656 | The greatest good for a state is true philosophers [Descartes] |
15447 | We shouldn't always follow where the argument leads! [Lewis on Plato] |
243 | It is foolish to quarrel with the mind's own reasoning processes [Plato] |
241 | We ought to follow where the argument leads us [Plato] |
21264 | Mortals are incapable of being fully rational [Plato] |
251 | Truth has the supreme value, for both gods and men [Plato] |
16744 | All powers can be explained by obvious features like size, shape and motion of matter [Descartes] |
5016 | Five universals: genus, species, difference, property, accident [Descartes] |
5015 | A universal is a single idea applied to individual things that are similar to one another [Descartes] |
16630 | If we perceive an attribute, we infer the existence of some substance [Descartes] |
5013 | A substance needs nothing else in order to exist [Descartes] |
21259 | To grasp a thing we need its name, its definition, and what it really is [Plato] |
16633 | A substance has one principal property which is its nature and essence [Descartes] |
3658 | Total doubt can't include your existence while doubting [Descartes] |
5005 | I think, therefore I am, because for a thinking thing to not exist is a contradiction [Descartes] |
5006 | 'Thought' is all our conscious awareness, including feeling as well as understanding [Descartes] |
5012 | 'Nothing comes from nothing' is an eternal truth found within the mind [Descartes] |
20795 | Some things are their own criterion, such as straightness, a set of scales, or light [Sext.Empiricus] |
5004 | We can know basic Principles without further knowledge, but not the other way round [Descartes] |
20794 | How can sceptics show there is no criterion? Weak without, contradiction with [Sext.Empiricus] |
21260 | Soul is what is defined by 'self-generating motion' [Plato] |
5014 | We can understand thinking occuring without imagination or sensation [Descartes] |
276 | My individuality is my soul, which carries my body around [Plato] |
5017 | In thinking we shut ourselves off from other substances, showing our identity and separateness [Descartes] |
5010 | Our free will is so self-evident to us that it must be a basic innate idea [Descartes] |
5011 | There are two ultimate classes of existence: thinking substance and extended substance [Descartes] |
5018 | Even if tightly united, mind and body are different, as God could separate them [Descartes] |
5007 | Most errors of judgement result from an inaccurate perception of the facts [Descartes] |
5009 | We do not praise the acts of an efficient automaton, as their acts are necessary [Descartes] |
5008 | The greatest perfection of man is to act by free will, and thus merit praise or blame [Descartes] |
249 | People who value beauty above virtue insult the soul by placing the body above it [Plato] |
265 | An action is only just if it is performed by someone with a just character and outlook [Plato] |
269 | Attempted murder is like real murder, but we should respect the luck which avoided total ruin [Plato] |
240 | It would be strange if the gods rewarded those who experienced the most pleasure in life [Plato] |
264 | The conquest of pleasure is the noblest victory of all [Plato] |
4332 | Virtue is a concord of reason and emotion, with pleasure and pain trained to correct ends [Plato] |
248 | A serious desire for moral excellence is very rare indeed [Plato] |
253 | Every crime is the result of excessive self-love [Plato] |
263 | The only worthwhile life is one devoted to physical and moral perfection [Plato] |
235 | Virtue is the aim of all laws [Plato] |
277 | The Guardians must aim to discover the common element in the four cardinal virtues [Plato] |
254 | Excessive laughter and tears must be avoided [Plato] |
266 | Injustice is the mastery of the soul by bad feelings, even if they do not lead to harm [Plato] |
242 | The best people are produced where there is no excess of wealth or poverty [Plato] |
256 | Virtue and great wealth are incompatible [Plato] |
245 | Totalitarian states destroy friendships and community spirit [Plato] |
239 | Education in virtue produces citizens who are active but obedient [Plato] |
1402 | Friendship is impossible between master and slave, even if they are made equal [Plato] |
262 | Men and women should qualify equally for honours on merit [Plato] |
236 | Sound laws achieve the happiness of those who observe them [Plato] |
259 | Justice is granting the equality which unequals deserve [Plato] |
238 | Children's games should channel their pleasures into adult activity [Plato] |
260 | Control of education is the key office of state, and should go to the best citizen [Plato] |
257 | Mathematics has the widest application of any subject on the curriculum [Plato] |
4331 | Education is channelling a child's feelings into the right course before it understands why [Plato] |
250 | The best way to educate the young is not to rebuke them, but to set a good example [Plato] |
15987 | Physics only needs geometry or abstract mathematics, which can explain and demonstrate everything [Descartes] |
275 | Creation is not for you; you exist for the sake of creation [Plato] |
12730 | We will not try to understand natural or divine ends, or final causes [Descartes] |
16601 | Matter is not hard, heavy or coloured, but merely extended in space [Descartes] |
273 | Movement is transmitted through everything, and it must have started with self-generated motion [Plato] |
8004 | In 'The Laws', to obey the law is to be obey god [Plato, by MacIntyre] |
21261 | Self-moving soul has to be the oldest thing there is [Plato] |
21257 | Self-generating motion is clearly superior to all other kinds of motion [Plato] |
21258 | The only possible beginning for the endless motions of reality is something self-generated [Plato] |
274 | Soul must be the cause of all the opposites, such as good and evil or beauty and ugliness [Plato] |
21263 | If all the motions of nature reflect calculations of reason, then the best kind of soul must direct it [Plato] |
278 | If astronomical movements are seen as necessary instead of by divine will, this leads to atheism [Plato] |
21265 | The heavens must be full of gods, controlling nature either externally or from within [Plato] |
21262 | There must be at least two souls controlling the cosmos, one doing good, the other the opposite [Plato] |