The only way to do great work is to love what you do.
On earth there is nothing great but man；in the man there is nothing great but mind.
教师必须既是学生的研究者，也是学科的研究者。
The method of psychology must be objective, even when studying subjective phenomena.
艺术不应是一种奢侈品，而应是每个人的日常必需品。
