display all the ideas for this combination of texts
3 ideas
5576 | We cannot derive moral laws from experience, as it is the mother of illusion [Kant] |
7669 | We cannot attain all the ideals of every culture, so there cannot be a perfect life [Herder, by Berlin] |
21455 | We only understand what exists, and can find no sign of what ought to be in nature [Kant] |