7 ideas
| 291 | Don't assume that wisdom is the automatic consequence of old age [Plato] |
| 18617 | Substances, unlike aggregates, can survive a change of parts [Mumford] |
| 18618 | Maybe possibilities are recombinations of the existing elements of reality [Mumford] |
| 18619 | Combinatorial possibility has to allow all elements to be combinable, which seems unlikely [Mumford] |
| 18620 | Combinatorial possibility relies on what actually exists (even over time), but there could be more [Mumford] |
| 293 | Being unafraid (perhaps through ignorance) and being brave are two different things [Plato] |
| 651 | Eurytus showed that numbers underlie things by making pictures of creatures out of pebbles [Eurytus, by Aristotle] |