The study of the mind must be purely analytical.

译文：感叹白发，观察世间的道路。人们无不追求荣华，看重富贵而轻视贫贱。显赫的宫门，华丽的宫殿。年轻时入仕，幼年时就献上谋略。

Science is not just about finding answers, but also about asking the right questions.

Every life is a novel waiting to be written.

Sometimes the hardest thing and the right thing are the same.

If we want to protect forests, we must first understand them.

I don't want to be a tree; I want to be its meaning.