Education is an ornament in prosperity and a refuge in adversity.

For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.

文字的纪律惩罚愚蠢和不诚实。

我对解决已经解决的问题不感兴趣。

成功不是目的地，而是你走过的路。