40 ideas
354 | Wisdom makes virtue and true goodness possible [Plato] |
343 | The unexamined life is not worth living for men [Socrates] |
370 | Philosophy is a purification of the soul ready for the afterlife [Plato] |
17892 | For clear questions posed by reason, reason can also find clear answers [Gödel] |
350 | In investigation the body leads us astray, but the soul gets a clear view of the facts [Plato] |
24226 | The soul on its own enters a pure, unchanging and eternal realm, and experiences wisdom [Plato] |
362 | The greatest misfortune for a person is to develop a dislike for argument [Plato] |
9188 | Gödel proved that first-order logic is complete, and second-order logic incomplete [Gödel, by Dummett] |
10620 | Originally truth was viewed with total suspicion, and only demonstrability was accepted [Gödel] |
17883 | Gödel's Theorems did not refute the claim that all good mathematical questions have answers [Gödel, by Koellner] |
13155 | If you add one to one, which one becomes two, or do they both become two? [Plato] |
17885 | Gödel eventually hoped for a generalised completeness theorem leaving nothing undecidable [Gödel, by Koellner] |
10614 | The real reason for Incompleteness in arithmetic is inability to define truth in a language [Gödel] |
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] |
24230 | The Forms arise whenever we talk of something 'in itself'. [Plato] |
24225 | Things like the Equal and the Beautiful, which are real, must be unchanging [Plato] |
24227 | One and one can only become two by sharing in Twoness [Plato] |
368 | Other things are named after the Forms because they participate in them [Plato] |
1 | There is only one source for all beauty [Plato] |
16516 | The ship which Theseus took to Crete is now sent to Delos crowned with flowers [Plato] |
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] |
9343 | To achieve pure knowledge, we must get rid of the body and contemplate things with the soul [Plato] |
15859 | To investigate the causes of things, study what is best for them [Plato] |
13154 | Do we think and experience with blood, air or fire, or could it be our brain? [Plato] |
364 | One soul can't be more or less of a soul than another [Plato] |
339 | Men fear death as a great evil when it may be a great blessing [Socrates] |
344 | If death is like a night of dreamless sleep, such nights are very pleasant [Socrates] |
361 | It is a mistake to think that the most violent pleasure or pain is therefore the truest reality [Plato] |
2 | We should not even harm someone who harms us [Socrates] |
345 | A good man cannot be harmed, either in life or in death [Socrates] |
346 | One ought not to return a wrong or injury to any person, whatever the provocation [Socrates] |
351 | War aims at the acquisition of wealth, because we are enslaved to the body [Plato] |
341 | Wealth is good if it is accompanied by virtue [Socrates] |
347 | Will I stand up against the law, simply because I have been unjustly judged? [Socrates] |
13156 | Fancy being unable to distinguish a cause from its necessary background conditions! [Plato] |
369 | If the Earth is spherical and in the centre, it is kept in place by universal symmetry, not by force [Plato] |
338 | Socrates is accused of denying the gods, saying sun is stone and moon is earth [Socrates, by Plato] |
363 | Whether the soul pre-exists our body depends on whether it contains the ultimate standard of reality [Plato] |