4 ideas
3913 | Maybe imagination is the source of a priori justification [Casullo] |
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
18202 | The concept of a field gradually replaced the substances in explaining relations between charges [Einstein/Infeld] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |