5 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
6409 | The 'simple theory of types' distinguishes levels among properties [Ramsey, by Grayling] |
3212 | Beliefs are maps by which we steer [Ramsey] |
9145 | We form the image of a cardinal number by a double abstraction, from the elements and from their order [Cantor] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |