4 ideas
10247 | We have no adequate logic at the moment, so mathematicians must create one [Veblen] |
16861 | A false theory could hardly rival the explanatory power of natural selection [Darwin] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |