10 ideas
| 13007 | Archimedes defined a straight line as the shortest distance between two points [Archimedes, by Leibniz] |
| 1554 | Contradiction is impossible, since only one side of the argument refers to the true facts [Prodicus, by Didymus the Blind] |
| 22594 | In 1794 France all individual and legal rights were suppressed by the general will [Dunt] |
| 22602 | Over several centuries a set of eight main liberal values was established [Dunt] |
| 22596 | No government, or the whole nation, can control an individual beyond legitimate scope [Dunt] |
| 22603 | Laissez-faire liberalism failed to give people the protections and freedoms needed for a good life [Dunt] |
| 22592 | Nationalism pretends that we can only have a single identity [Dunt] |
| 1555 | People used to think anything helpful to life was a god, as the Egyptians think the Nile a god [Prodicus] |
| 535 | The gods are just personified human benefits [Prodicus] |
| 1543 | He denied the existence of the gods, saying they are just exaltations of things useful for life [Prodicus] |