The most profound ideas in mathematics often come from asking the simplest questions.
Sometimes you have to lose yourself before you can find anything.
The architecture of the human mind is better adapted to the Pleistocene than to the modern world.
In the end, I've found that it doesn't really matter who you marry. If you like them at the beginning, you probably won't like them at the end. And if you start off hating them, there's always the chance you'll end up thinking they're all right.