国家间最重要的政治区别不在于其政府形式，而在于其政府程度。
The most important political distinction among countries concerns not their form of government but their degree of government.
"We are what we pretend to be, so we must be careful about what we pretend to be."
The deepest problems in mathematics often arise from the simplest questions.
The human brain is a social brain, and it evolved to deal with social relationships.
我认为最好的电影是那些让你带着问题离开，而不是答案的电影。
上帝不能无处不在，所以他创造了母亲。