5 ideas
7073 | I am a creative nothing, out of which I myself create everything [Stirner] |
22745 | Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus] |
20645 | Heat is a state of vibration, not a substance [Joule] |
20972 | Joule showed that energy converts to heat, and heat to energy [Joule, by Papineau] |
5883 | Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero] |