真正的朋友是能看到你眼中痛苦的人，而其他人都只相信你脸上的笑容。

成功是个糟糕的老师。它诱使聪明人以为自己不会失败。

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.

让经济运转的方法不是增税，而是减税。

我对成为历史上最好的不感兴趣。我感兴趣的是尽我所能做到最好。