The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

Stay hungry, stay foolish, but also stay focused.

Quality is not a trend; it is a tradition.

The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

成功不在于奖项，而在于触动人们的生活。

秘密配方永远是激情。