效率是把事情做对；效果是做对的事情。
Efficiency is doing things right; effectiveness is doing the right things.
I don't think about limitations. I think about possibilities.
The best way to cheer yourself up is to try to cheer somebody else up.
改变是不可避免的，成长却是可以选择的。
The body forgets, but the soul remembers.
Write a program as carefully as you write a letter.
人一生中的主要任务是诞生自己，成为他潜在的样子。他努力的最重要产物是他自己的个性。
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。