The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

你停止学习的那天就是你停止成长的那天。

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them — preferably in unexpected and helpful ways.

I don’t need too much. Glamour and all that stuff don’t excite me. I’m just glad I have the ability to make a difference.