10 ideas
| 12251 | Substantial forms are not understood, and explain nothing [Descartes] |
| 411 | If we succeed in speaking the truth, we cannot know we have done it [Xenophanes] |
| 412 | If God had not created honey, men would say figs are sweeter [Xenophanes] |
| 13304 | Learned men gain more in one day than others do in a lifetime [Posidonius] |
| 1640 | The basic Eleatic belief was that all things are one [Xenophanes, by Plato] |
| 20820 | Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus] |
| 3055 | Xenophanes said the essence of God was spherical and utterly inhuman [Xenophanes, by Diog. Laertius] |
| 408 | Ethiopian gods have black hair, and Thracian gods have red hair [Xenophanes] |
| 407 | Mortals believe gods are born, and have voices and clothes just like mortals [Xenophanes] |
| 16772 | An angelic mind would not experience pain, even when connected to a human body [Descartes, by Pasnau] |