4 ideas
291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
17743 | De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki] |
3448 | Do new ideas increase the weight of the brain? [Dance] |
293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |