The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.
我知道有一颗星球上住着一位脸色绯红的先生。他从来没有闻过一朵花，从来没有见过一颗星星，从来没有爱过任何人。他除了做加法以外，没有干过别的事，他整天像你一样，老重复说：我是一个严肃认真的人，我是一个严肃认真的人！
我对菲律宾——我从那里过来——的人民说过，我会回来的。今夜，我再说一遍那句话：我会回来的！
War does not determine who is right, only who is left.
The best way to predict the future is to invent it. Don't worry about what anybody else is going to do. The best way to predict the future is to invent it.
A distributed system is one in which the failure of a computer you didn’t even know existed can render your own computer unusable.