The mind is a dynamic equilibrium of processes.
心灵是一个过程的动态平衡。
To understand psychology, observe behavior in its natural context.
力量来自于克服那些你以为自己无法应对的事情。
History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.
《在广州石围塘检阅滇均的演说》（1924年4月4日）