A day wasted on others is not wasted on one's self.
效率是企业的竞争力，没有效率就没有优势。
本当の幸せは、心の中にある。
The rule of recognition is the ultimate rule in a legal system, which identifies the criteria for valid law.
The art of government is the organization of idolatry.
坚持是数学研究的关键，许多伟大的成果来自于长期的奋斗。