喜欢说话而又不恰当，不如少说话为好。博学多识但不知道反省自己，一定会出问题。孔子说“言寡尤，行寡悔，禄在其中矣” ，言语上减少过失，行为上减少悔恨，多反省自己，慎言慎行，成功就不会远了。
每个数学问题都有一个解决方案；只是需要时间和努力去找到它。
Mathematics is the language with which God has written the universe.
What is the one sentence summary of how you change the world? Always work hard on something uncomfortably exciting!
We don't inherit the earth from our ancestors; we borrow it from our children. This principle guides every step we take.
A sense of duty is just love of one's duty.
La femme est une propriété que l'on acquiert par contrat.