Economic development requires a stable legal environment.

函数的概念在数学中是基础的，而λ演算试图使这一概念精确化。

Money and success don't change people; they merely amplify what is already there.

没有食物，人类最多只能活几个星期；没有它，社会正义的所有其他组成部分都毫无意义。

我想创作的是能被体验的书，而不仅仅是被阅读的书。

I have the simplest tastes. I am always satisfied with the best.

I have nothing to say and I am saying it.

I never look back, I look forward.

Democracy must be born anew every generation, and education is its midwife.