5 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 18085 | Values that approach zero, becoming less than any quantity, are 'infinitesimals' [Cauchy] |
| 18084 | When successive variable values approach a fixed value, that is its 'limit' [Cauchy] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 19673 | Galileo mathematised movement, and revealed its invariable component - acceleration [Galileo, by Meillassoux] |