15 ideas
| 9271 | Human knowledge may not produce well-being; the examined life may not be worth living [Gray] |
| 9275 | Knowledge does not need minds or nervous systems; it is found in all living things [Gray] |
| 3061 | Anaxarchus said that he was not even sure that he knew nothing [Anaxarchus, by Diog. Laertius] |
| 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] |
| 20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |
| 20645 | Heat is a state of vibration, not a substance [Joule] |
| 9280 | Over forty percent of the Earth's living tissue is human [Gray] |
| 23061 | Free atheism should start by questioning its faith in humanity [Gray] |
| 23057 | Gnosticism has a supreme creator God, giving way to a possibly hostile Demiurge [Gray] |
| 23056 | Judaism only became monotheistic around 550 BCE [Gray] |
| 23055 | Christians introduced the idea that a religion needs a creed [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] |
| 23058 | Buddhism has no divinity or souls, and the aim is to lose the illusion of a self [Gray] |