5 ideas
| 20660 | At one level maths and nature are very similar, suggesting some deeper origin [Wolfram] |
| 5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
| 20239 | Unlike us, the early Greeks thought envy was a good thing, and hope a bad thing [Hesiod, by Nietzsche] |
| 20659 | Space and its contents seem to be one stuff - so space is the only existing thing [Wolfram] |
| 24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |