Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.

I think the best films are the ones that you can watch over and over again.

The most advanced machinery means nothing without skilled hands to guide it.

I'm not afraid to fail. I'm afraid of not trying.

量子力学的本质不在于描述粒子的行为，而在于描述我们对粒子认知的行为。

The artist must be a prisoner of the infinite.