7 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 10180 | Mathematicians do not study objects, but relations between objects [Poincaré] |
| 6003 | Galen showed by experiment that the brain controls the body [Galen, by Hankinson] |
| 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] |
| 6030 | Each part of the soul has its virtue - pleasure for appetite, success for competition, and rectitude for reason [Galen] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |