4 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
18758 | Validity is provable, but invalidity isn't, because the model is infinite [Church, by McGee] |
18203 | Avoid non-predicative classifications and definitions [Poincaré] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |