I'm not a present, I'm a gift.

Without freedom, there is no creation, and without creation, there is no true life.

The greatest problem for mathematicians now is probably the Riemann Hypothesis.

技术没有边界，但应用必须有方向。

Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.

Change your conception of yourself and you will change your world.

林业的未来在于平衡经济增长与生态责任。

不是有没有时间的问题，而是愿不愿意挤出时间的问题。