5 ideas
15990 | Every individual thing which exists has an essence, which is its internal constitution [Locke] |
4869 | Experience does not teach us any essences of things [Spinoza] |
15994 | If it is knowledge, it is certain; if it isn't certain, it isn't knowledge [Locke] |
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] |