"We are all in the gutter, but some of us are looking at the stars."

The best ideas often come from listening to those closest to the problem.

教学的艺术是帮助发现的艺术。

The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.

即使你拥有世界上所有的天赋，如果不努力，也无济于事。