To understand is to know what causes what.

Gratitude will unlock all other virtues and is something you can get better at.

I don’t think poetry is based just on poetry; it is based on a thoroughly lived life.

Success is not about the money or the fame, it's about being happy with what you're doing.

每一代人都需要一场新的革命。

如果我们明智地使用技术，它可以成为林业最伟大的盟友。