镜头捕捉真相，所以你必须诚实。
It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.
Every discovery in physics opens a door to a new mystery, and that is the beauty of science.
Being wise means having more questions than answers.
——1920年1月为《大光报》年刊题词