4 ideas
13197 | The notion of substance is one of the keys to true philosophy [Leibniz] |
22601 | Laissez-faire individualism doesn't work, especially in troublesome times [Keynes] |
19399 | Prime matter is nothing when it is at rest [Leibniz] |
13198 | Gravity is within matter because of its structure, and it can be explained. [Leibniz] |