Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to go to war with one another.

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.

不是关于能够做某事，而是关于能够做好它。