5 ideas
10494 | Several words may label a category; one word can name several categories; some categories lack words [Ellen] |
22593 | Our sensation of light may not be the same as what produces the sensation [Descartes] |
20239 | Unlike us, the early Greeks thought envy was a good thing, and hope a bad thing [Hesiod, by Nietzsche] |
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] |