The most important thing in life is to learn how to give out love, and to let it come in.

当领导者学习时，他们比教学时更具榜样力量。

Whatever Nature has in store for mankind, unpleasant as it may be, men must accept, for ignorance is never better than knowledge.

Every detail counts because God is in the details.

数学的进步不仅仅依靠个人的努力，而是通过几代人的集体工作。