7 ideas
| 6003 | Galen showed by experiment that the brain controls the body [Galen, by Hankinson] |
| 14802 | Physical and psychical laws of mind are either independent, or derived in one or other direction [Peirce] |
| 6030 | Each part of the soul has its virtue - pleasure for appetite, success for competition, and rectitude for reason [Galen] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 14800 | The world is full of variety, but laws seem to produce uniformity [Peirce] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
| 14801 | Darwinian evolution is chance, with the destruction of bad results [Peirce] |