5 ideas
22593 | Our sensation of light may not be the same as what produces the sensation [Descartes] |
1590 | The just man does not harm his enemies, but benefits everyone [Plato] |
19399 | Prime matter is nothing when it is at rest [Leibniz] |
16569 | The Hot, Cold, Wet and Dry of the philosophers need themselves to be explained [Descartes] |
20964 | Descartes said there was conservation of 'quantity of motion' [Descartes, by Papineau] |