5 ideas
| 23304 | The ancient Memorists said virtually all types of thinking could be done simply by memory [Sorabji] |
| 23303 | Stoics say true memory needs reflection and assent, but animals only have perceptual recognition [Sorabji] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 10246 | The limit of science is isomorphism of theories, with essences a matter of indifference [Weyl] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |