10 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 5987 | Alcmaeon was the first to say the brain is central to thinking [Alcmaeon, by Staden, von] |
| 6028 | Bodies interact with other bodies, and cuts cause pain, and shame causes blushing, so the soul is a body [Cleanthes, by Nemesius] |
| 20831 | The soul suffers when the body hurts, creates redness from shame, and pallor from fear [Cleanthes] |
| 18239 | What is contemplated must have a higher value than contemplation [Kant, by Korsgaard] |
| 18238 | Only a good will can give man's being, and hence the world, a final purpose [Kant] |
| 22053 | The Critique of Judgement aims for a principle that unities humanity and nature [Kant, by Bowie] |
| 18237 | Without men creation would be in vain, and without final purpose [Kant] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |
| 24043 | Soul must be immortal, since it continually moves, like the heavens [Alcmaeon, by Aristotle] |