4 ideas
13197 | The notion of substance is one of the keys to true philosophy [Leibniz] |
3031 | The greatest good is not the achievement of desire, but to desire what is proper [Menedemus, by Diog. Laertius] |
19458 | Egoism is the only evil, love the only good; genuine love produces all the other virtues [Feuerbach] |
13198 | Gravity is within matter because of its structure, and it can be explained. [Leibniz] |