You don’t have to pee on an electric fence to learn not to do it.
你不必亲自去尿电网,才能学会不这么做。
"There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations."
我喜欢猪。狗崇拜人类。猫鄙视人类。猪对我们一视同仁。