世界会打碎每个人，之后，许多人在破碎的地方变得坚强。
"The world breaks everyone, and afterward, many are strong at the broken places."
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
译文：高看自己，事事就很难有长进；低看自己，事事就不能成功。赏析：不管何时，我们不能骄傲自大，目空一切，更不能自暴自弃，妄自菲薄，畏首畏尾。骄傲自满会让人失去理智，自轻自贱会让人失去自信，这两种极端的处事态度对我们的人生都是不利的。
Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.
Understanding black holes is understanding the fabric of the universe itself.