4 ideas
| 7844 | The Golden Rule is accepted everywhere, and gives a fixed target for morality [Voltaire] |
| 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] |
| 2116 | The concept of an existing thing must contain more than the concept of a non-existing thing [Leibniz] |