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] |
20653 | Six reduction levels: groups, lives, cells, molecules, atoms, particles [Putnam/Oppenheim, by Watson] |
23060 | The good is not relative, but is rooted in facts about human needs [Santayana] |
19941 | Thou shalt love thy neighbour as thyself [Anon (Leviticus)] |