4 ideas
15833 | Tell cleverness from answers, but wisdom from questions [Mahfouz] |
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
5880 | Xenocrates held that the soul had no form or substance, but was number [Xenocrates, by Cicero] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |