4 ideas
13165 | Geometrical proofs do not show causes, as when we prove a triangle contains two right angles [Proclus] |
9569 | The origin of geometry started in sensation, then moved to calculation, and then to reason [Proclus] |
3015 | The virtue of man is thoughtful foresight of future events [Chilo, by Diog. Laertius] |
21131 | Democracy is competition for support of the people, guided by self-interest on all sides [Posner] |