4 ideas
12723 | The most primitive thing in substances is force, which leads to their actions and dispositions [Leibniz] |
18278 | Kant showed that our perceptions are partly constructed from our concepts [Reichenbach] |
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] |