"The truth is rarely pure and never simple."

自守形式的研究证明了对称性在数学中的力量。

真相并不美丽，但它是必要的。

人生就是走自己选择的路。

Before you are old， attend as many funerals as you can bear， and listen. Nobody talks about the departed’s achievements. The only thing people will remember is what kind of person you were while you were achieving.