To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.
To be alive is to be mortal. To be alive is to be, from moment to moment, a survivor.
心理学必须是一门关于生活的科学，而不仅仅是实验室的科学。
Prime numbers are what is left when you have taken all the patterns away. I think prime numbers are like life. They are very logical but you could never work out the rules, even if you spent all your time thinking about them.
——《民国月刊》出世辞（1913年5月20日)
Life consists not in holding good cards，but in playing well those you hold.
A good film is one that leaves you thinking long after it's over.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.