6 ideas
| 23060 | The good is not relative, but is rooted in facts about human needs [Santayana] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 17371 | Some kinds are very explanatory, but others less so, and some not at all [Devitt] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
| 17373 | Species pluralism says there are several good accounts of what a species is [Devitt] |
| 17372 | The higher categories are not natural kinds, so the Linnaean hierarchy should be given up [Devitt] |