45 ideas
| 354 | Wisdom makes virtue and true goodness possible [Plato] |
| 3600 | Slow and accurate thought makes the greatest progress [Descartes] |
| 22026 | Philosophy is homesickness - the urge to be at home everywhere [Novalis] |
| 370 | Philosophy is a purification of the soul ready for the afterlife [Plato] |
| 3601 | Most things in human life seem vain and useless [Descartes] |
| 3602 | Almost every daft idea has been expressed by some philosopher [Descartes] |
| 350 | In investigation the body leads us astray, but the soul gets a clear view of the facts [Plato] |
| 3603 | Methodical thinking is cautious, analytical, systematic, and panoramic [Descartes, by PG] |
| 362 | The greatest misfortune for a person is to develop a dislike for argument [Plato] |
| 3612 | Clear and distinct conceptions are true because a perfect God exists [Descartes] |
| 3610 | Truth is clear and distinct conception - of which it is hard to be sure [Descartes] |
| 13155 | If you add one to one, which one becomes two, or do they both become two? [Plato] |
| 21347 | If Simmias is taller than Socrates, that isn't a feature that is just in Simmias [Plato] |
| 360 | We must have a prior knowledge of equality, if we see 'equal' things and realise they fall short of it [Plato] |
| 1 | There is only one source for all beauty [Plato] |
| 368 | Other things are named after the Forms because they participate in them [Plato] |
| 16516 | The ship which Theseus took to Crete is now sent to Delos crowned with flowers [Plato] |
| 3605 | We can believe a thing without knowing we believe it [Descartes] |
| 1583 | In morals Descartes accepts the conventional, but rejects it in epistemology [Roochnik on Descartes] |
| 3607 | In thinking everything else false, my own existence remains totally certain [Descartes] |
| 357 | People are obviously recollecting when they react to a geometrical diagram [Plato] |
| 359 | If we feel the inadequacy of a resemblance, we must recollect the original [Plato] |
| 3617 | I aim to find the principles and causes of everything, using the seeds within my mind [Descartes] |
| 9343 | To achieve pure knowledge, we must get rid of the body and contemplate things with the soul [Plato] |
| 3611 | Understanding, rather than imagination or senses, gives knowledge [Descartes] |
| 3606 | I was searching for reliable rock under the shifting sand [Descartes] |
| 3604 | When rebuilding a house, one needs alternative lodgings [Descartes] |
| 3618 | Only experiments can settle disagreements between rival explanations [Descartes] |
| 15859 | To investigate the causes of things, study what is best for them [Plato] |
| 3615 | Little reason is needed to speak, so animals have no reason at all [Descartes] |
| 13154 | Do we think and experience with blood, air or fire, or could it be our brain? [Plato] |
| 19591 | Desire for perfection is an illness, if it turns against what is imperfect [Novalis] |
| 3609 | I am a thinking substance, which doesn't need a place or material support [Descartes] |
| 364 | One soul can't be more or less of a soul than another [Plato] |
| 3608 | I can deny my body and the world, but not my own existence [Descartes] |
| 3613 | Reason is universal in its responses, but a physical machine is constrained by its organs [Descartes] |
| 3616 | The soul must unite with the body to have appetites and sensations [Descartes] |
| 3614 | A machine could speak in response to physical stimulus, but not hold a conversation [Descartes] |
| 361 | It is a mistake to think that the most violent pleasure or pain is therefore the truest reality [Plato] |
| 1581 | Greeks elevate virtues enormously, but never explain them [Descartes] |
| 351 | War aims at the acquisition of wealth, because we are enslaved to the body [Plato] |
| 13156 | Fancy being unable to distinguish a cause from its necessary background conditions! [Plato] |
| 16686 | God has established laws throughout nature, and implanted ideas of them within us [Descartes] |
| 369 | If the Earth is spherical and in the centre, it is kept in place by universal symmetry, not by force [Plato] |
| 363 | Whether the soul pre-exists our body depends on whether it contains the ultimate standard of reality [Plato] |