9 ideas
| 1477 | Being manly and brave is the result of convention, not of human nature [Plutarch] |
| 23674 | If an attempted poisoning results in benefits, we still judge the agent a poisoner [Reid] |
| 1478 | Animals don't value pleasure, as they cease sexual intercourse after impregnation [Plutarch] |
| 23675 | We shouldn't do to others what would be a wrong to us in similar circumstances [Reid] |
| 23672 | To be virtuous, we must care about duty [Reid] |
| 23673 | Every worthy man has a principle of honour, and knows what is honourable [Reid] |
| 1479 | Animals have not been led into homosexuality, because they value pleasure very little [Plutarch] |
| 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] |