I’m not afraid of falling, I’m afraid of the fear of falling.
The anarchic nature of the international system forces states to compete for power.
The most valuable asset any company has is its people.
数学是给不同事物以相同名称的艺术。
Three things you need: The ability to not give up something till it works， the ability to give up something that does not work， and the trust in other people to help you distinguish between the two.
别人为食而生存，我为生存而食。