4 ideas
13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
5470 | The idea of laws of nature arose in the Middle Ages [Hall,AR, by Ellis] |
20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
19414 | Men are related to animals, which are related to plants, then to fossils, and then to the apparently inert [Leibniz] |