"In mathematics, you don't understand things. You just get used to them."
如果你掉进了黑暗里,你能做的,不过是静心等待,直到你的双眼适应黑暗。
Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be, because of the obscurity of the subject, and the brevity of human life.