11 ideas
| 9271 | Human knowledge may not produce well-being; the examined life may not be worth living [Gray] |
| 18261 | A simplification which is complete constitutes a definition [Kant] |
| 13547 | Limitation of Size is weak (Fs only collect is something the same size does) or strong (fewer Fs than objects) [Boolos, by Potter] |
| 22275 | Logic gives us the necessary rules which show us how we ought to think [Kant] |
| 18260 | If we knew what we know, we would be astonished [Kant] |
| 9275 | Knowledge does not need minds or nervous systems; it is found in all living things [Gray] |
| 9276 | The will hardly ever does anything; most of our life just happens to us [Gray] |
| 9278 | Nowadays we identify the free life with the good life [Gray] |
| 9280 | Over forty percent of the Earth's living tissue is human [Gray] |
| 9272 | Without Christianity we lose the idea that human history has a meaning [Gray] |
| 9279 | What was our original sin, and how could Christ's suffering redeem it? [Gray] |