人很容易被自己的利益驅(qū)使，僅僅讓他看到正確是不夠的，還必須讓他感受到它。
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 it be obeyed.
The best ideas often come from the most unexpected places; keep your mind open.
The best way to learn computer science is to do computer science.