理论计算机科学的美在于其抽象和概括的能力，将具体问题转化为普遍真理。

Whenever people talk to me about the weather, I always feel certain that they mean something else.

我们肩上背负的责任重在，必须小心谨慎地了解可能可能会泯灭孩子精神的原因，并要融入孩子的世界。

不要让昨天占据今天太多时间。

The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater.

人类最大的敌人是自己。