It is the duty of the inventor to make his work as useful and as accessible as possible to the public.

Light is the key to understanding the world.

An expert is a person who has made all the mistakes that can be made in a very narrow field.

"最危险的怪物是我们内心携带的那些。"

You are not your circumstances. You are your possibilities.

医学的进步不仅仅是技术问题，更是人性的体现。