不要把事实告诉不值得的人。
Do not put forward anything that you cannot prove by experimentation.
最深刻的发现往往来自于提出最简单的问题。
Nothing is funnier than unhappiness.
A red rose is not selfish because it wants to be a red rose. It would be horribly selfish if it wanted all the flowers in the garden to be both red and roses.