Collaboration, not competition, will save our forests.

数学是上帝用来书写宇宙的语言。

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 to be obeyed.

生命太短暂，不能活在他人的梦想里。

The secret of change is to focus all of your energy not on fighting the old, but on building the new.

资源利用效率不仅对地球有益，而且对企业也有益。