问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。

I met the towering intellectuals in books, not in classroom, which is natural.My family was into all that stuff, getting ahead through discipline, knowledge, and self-control.

挑战在于让不可见变得可见。

建筑中的每一个细节都必须有一个目的，一个意义。

文学需要一种已经消失的思维习惯。