论学则观其身，论政则考其时
讨论学问要看其人的品行，讨论政治要考察当时的形势
We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.
The best way to predict the future is to create it.
理论计算机科学的美在于它能够将抽象的数学概念与实际的计算问题联系起来。
We must remain curious and never stop questioning the world around us.