你停止学习的那一刻,就是你开始落后的那一刻。
DNA is the ultimate history book, written in the language of life.
世界是一个舞台,但剧本选角很糟糕。
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.