真正的进步发生在我们停止为过去优化，开始为未来建设之时。

相信有时是痛苦的。但如果停止相信，什么都不会开始。

最好的报复就是巨大的成功。

We are like travelers who have lost their way； we must ask， each one， for directions from a passerby.

You have to believe in yourself when no one else does.

建议的力量在塑造人类行为方面是巨大的，往往个体并没有意识到这种影响。

The most successful businesses are those that understand their customers better than anyone else.