胜利越艰难，赢得的快乐就越大。
The more difficult the victory, the greater the happiness in winning.
物理学的美在于它能够用简单的定律解释复杂的事物。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
I have always wished for my computer to be as easy to use as my telephone; my wish has come true because I can no longer figure out how to use my telephone.
过去了的再也不能挽救，未来的还是可能补回。
The most basic question is not what is best, but who shall decide what is best.