我不是为观众打球，我是为自己打球。
I don’t play for the crowd, I play for myself.
释义：水一旦泼出去，就收不回来，后悔也来不及。
If you only read the books that everyone else is reading, you can only think what everyone else is thinking.
不同元素的原子通过它们的重量相互区分。