What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.

The only defense against the world is a thorough knowledge of it.

艺术是一面照向社会的镜子，但也是一把塑造社会的锤子。

科学中最重要的事情是不要停止提问。

如果耕种天地，不将天地整理好，这样就相当于是胡闹。耕种天地，一定要将土地平整翻新，然后再去播种。