Wisdom comes to us when it can no longer do any good.
智慧总是在它不再有任何用处时才降临到我们身上。
我们不能忽视煤炭的经济作用,但也不能忽视其环境影响。
The truth is often more terrifying than fiction.
Three things you need: The ability to not give up something till it works, the ability to give up something that does not work, and the trust in other people to help you distinguish between the two.