此生幸福的三大要素是：有事可做，有爱可依，有希望可期。
Three grand essentials to happiness in this life are something to do, something to love, and something to hope for.
The best decisions are made when you combine data with human intuition.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
UNIX is very simple, it just needs a genius to understand its simplicity.
The only real knowledge is self-knowledge.