People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.
To create is to risk failure, but not to create is to guarantee it.
计算机科学家的真正价值在于他们能够看到看不见的东西并解决无法解决的问题。
永不放弃，永不屈服。
对做好自己的事感到满足，不必理会别人如何议论你。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."