The companies that will thrive are those that see environmental challenges as opportunities for innovation.
The worst prison is not the one with walls and bars, but the one in our minds.
漂亮的脸孔是给别人看的，而有智慧的头脑才是给自己利用的。
The deeper you go into mathematics, the more you realize how much remains unknown.
I could easily forgive his pride, if he had not mortified mine.