Virtues are acquired through endeavor, which rests wholly upon yourself.
教育就是当一个人把在学校所学全部忘光之后剩下的东西。
The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
The only way to tell the truth is to speak without persuasion.
The beauty of physics lies not in having all the answers, but in asking better questions.