4 ideas
| 7536 | If you hope to improve the world, all you can do is improve yourself [Wittgenstein] |
| 15391 | A substance is, roughly, a basic being or subject at the foundation of reality [Robb] |
| 16756 | Substantial forms must exist, to explain the stability of metals like silver and tin [Albertus Magnus] |
| 15392 | If an object survives the loss of a part, complex objects can have autonomy over their parts [Robb] |