The key to good design is to make things simple, but not simpler.

"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."

The most important thing about art is the work. The work is the most important thing.

凡是教师缺乏爱的地方，无论品格还是智慧都不能充分地或自由地发展。

地球不是一个刚体，而是一个动态系统，其中对流起着基本作用。