8 ideas
| 13550 | To be always happy is to lack knowledge of one half of nature [Seneca] |
| 13549 | Nothing bad can happen to a good man [Seneca] |
| 1748 | Archelaus was the first person to say that the universe is boundless [Archelaus, by Diog. Laertius] |
| 14586 | Physical causation consists in transference of conserved quantities [Dowe, by Mumford/Anjum] |
| 4787 | Causation interaction is an exchange of conserved quantities, such as mass, energy or charge [Dowe, by Psillos] |
| 4788 | Dowe commends the Conserved Quantity theory as it avoids mention of counterfactuals [Dowe, by Psillos] |
| 13548 | The ocean changes in volume in proportion to the attraction of the moon [Seneca] |
| 5989 | Archelaus said life began in a primeval slime [Archelaus, by Schofield] |