5 ideas
| 16541 | All the intrinsic properties of a thing should be deducible from its definition [Spinoza] |
| 17697 | The existence of an arbitrarily large number refutes the idea that numbers come from experience [Hilbert] |
| 17698 | Logic already contains some arithmetic, so the two must be developed together [Hilbert] |
| 13073 | To understand the properties we must know the essence, as with a circle [Spinoza] |
| 22086 | The most important aspect of a human being is not reason, but passion [Kierkegaard, by Carlisle] |