永远不要放弃你真正想要的东西。等待很难,但后悔更难。
Never give up on something you really want. It's difficult to wait, but more difficult to regret.
缺乏美感的理论不太可能是正确的。
The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.