Quality is not a problem; it is a solution.
质量不是问题;它是一个解决方案。
A sane person to an insane society must appear insane.
Life is short, but there is always time for courtesy.
The more we learn, the more we realize how little we know.
The essence of science is not in the knowing but in the seeking.
人生最难学的是该过哪座桥,该烧哪座桥。