When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

To be happy is to be able to become aware of oneself without fright.

在计算机科学领域，数学严谨性是构建可靠高效算法的基石。