7 ideas
| 20771 | Six parts: dialectic, rhetoric, ethics, politics, physics, theology [Cleanthes, by Diog. Laertius] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 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] |
| 20444 | If paintings could be perfectly duplicated, it would be a multiple art form [Currie, by Bacharach] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |
| 5993 | The ascending scale of living creatures requires a perfect being [Cleanthes, by Tieleman] |