The best weapon of a dictatorship is secrecy, but the best weapon of a democracy should be the weapon of openness.

跨行业合作是解决世界最大挑战的关键。

The mind is everything. What you think you become.

文章是用来阐明道理的。如果不能阐明道理，即使写得精巧也没有益处。

没有比书更忠诚的朋友。