I have a dream, and that dream is worth every sacrifice I make.

我们不是从祖先那里继承地球；我们是从子孙那里借来的——这在林业中尤其如此。

The most sustainable solutions often come from the simplest ideas.

The most important tool in survival is not a knife or a fire starter. It’s your will to live.

合理的战略始于树立正确的目标。

学习数学的唯一方法就是做数学。

"The past is never dead. It's not even past."

我不是一个喜欢对抗的人，我喜欢保持和平。