5 ideas
8000 | He who is ignorant of the history of philosophy is doomed to repeat it [Santayana, by MacIntyre] |
18521 | The criterion of existence is the possibility of action [Santayana] |
9413 | An event is a change in or to an object [Lombard, by Mumford] |
23060 | The good is not relative, but is rooted in facts about human needs [Santayana] |
651 | Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle] |