A book is a suicide postponed.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

成长发生在你的舒适区之外。

Every tree planted today is a promise to tomorrow.

The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.

做农业要有耐心，要耐得住寂寞。