数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
The only thing that can make you a legend is your dedication.
出自先秦《荀子·哀公》。鸟被逼得走投无路之时就会用嘴啄人，兽到困窘之时就会用爪抓人，人到穷困潦倒之时就会设计骗人。以鸟兽困窘之时的行为为喻，说明人到穷困潦倒之时便会放弃道德操守的原因。
When you forgive others， they may not notice， but you will heal. Forgiveness is not something we do for others； it is a gift to ourselves.