幸福需要快乐和目标两者兼具——仅靠其中一项是不够的。
No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
In investing, what is comfortable is rarely profitable.
The United States should not try to spread democracy around the world.