4 ideas
12716 | The concept of forces or powers best reveals the true concept of substance [Leibniz] |
5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |
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] |