Remembering that I'll be dead soon is the most important tool I've ever encountered to help me make the big choices in life. Because almost everything—all external expectations, all pride, all fear of embarrassment or failure—these things just fall away in the face of death, leaving only what is truly important. Remembering that you are going to die is the best way I know to avoid the trap of thinking you have something to lose. You are already naked. There is no reason not to follow your heart.

Your most unhappy customers are your greatest source of learning.

In social networking, user growth is not the goal but a natural result of user satisfaction.

我明白了你不可能同时拥有一切并做所有事情。

The truth is not always beautiful, but the pursuit of truth is always noble.

可持续性不是一种选择，而是一种责任。

——〈中国问题的真解决〉，与伦敦《滨海杂志》记者谈话，1911年11月

英雄是一时的，但传奇是一世的。