我这一代人最伟大的发现是,人类可以通过改变心态来改变他们的生活。
Mathematics is the language with which God has written the universe.
每个人的生命都以同样的方式结束。区别只在于他如何生活、如何死去的细节。
That is what learning is. You suddenly understand something you've understood all your life, but in a new way.
对付敌人的最好武器就是另一个敌人。