11 ideas
| 3144 | Everything is what it is, and not another thing [Butler] |
| 21315 | A tree remains the same in the popular sense, but not in the strict philosophical sense [Butler] |
| 22363 | You have only begun to do real science when you can express it in numbers [Kelvin] |
| 21317 | Despite consciousness fluctuating, we are aware that it belongs to one person [Butler] |
| 21313 | If consciousness of events makes our identity, then if we have forgotten them we didn't exist then [Butler] |
| 21314 | Consciousness presupposes personal identity, so it cannot constitute it [Butler] |
| 21318 | If the self changes, we have no responsibilities, and no interest in past or future [Butler] |
| 8066 | Butler exalts conscience, but it may be horribly misleading [Anscombe on Butler] |
| 22745 | Pherecydes said the first principle and element is earth [Pherecydes, by Sext.Empiricus] |
| 20644 | Energy has progressed from a mere formula, to a principle pervading all nature [Kelvin] |
| 5883 | Pherecydes was the first to say that the soul is eternal [Pherecydes, by Cicero] |