4 ideas
9807 | In pursuing truth, anything less certain than mathematics is a waste of time [Descartes] |
5833 | Education is the greatest of human goods [Xenophon] |
1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |