I'm a perfectionist. I'm pretty much insatiable. I feel there's so many things I can improve on.
科学的大悲剧——一个丑陋的事实扼杀了一个美丽的假说。
The art of invention consists in finding out the causes of known effects.
水的源头如果浑浊,那么水流就不可能清澈;言行不讲信用的,名声必然受到损害。