行动表达优先级。
"To live is the rarest thing in the world. Most people exist, that is all."
To understand the electron is to understand the foundation of our technological civilization.
一个人若不能治理自己,便不能治理家庭;若不能治理家庭,便不能治理城市;若不能治理城市,便不能治理国家。
The more you give, the less you have.