置身于是非之外，评断是非才能客观；置身于利害之外，才能看清利害的变化。

寻找身份是一次穿越记忆迷雾的旅程。

Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.

Perception is the result of the activity of the five senses; through sensation, we come to know the world.

我们都是森林的生物，而森林也是我们的生物。