6 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 19404 | Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz] |
| 20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 19403 | Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz] |
| 20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |