The only person you should try to be better than is the person you were yesterday.

We must balance economic growth with environmental stewardship.

The realities are that, you know, as a black man, Barack can get shot going to the gas station.

The measure of a man is what he does with power.

商业的终极目标是让生活更美好。

邪恶胜利的唯一必要条件是好人无所作为。

唯一能让你自由的是你自己的思想。

万物起源的奥秘对我们来说是无法解决的；而我必须满足于做一个不可知论者。

真相总是不合时宜。