The world is the totality of facts, not of things.
优化是在给定约束条件下做出最佳决策的艺术。
我不是榜样，我只是一个普通人。
Certification standards are the compass for responsible forestry.
If your dreams don't scare you, they are too small.
不要告诉别人怎么做，告诉他们做什么，让他们用结果给你惊喜。