Psychology must be based on direct experience and introspection.
吃饭不可不嚼便咽，走路不可不看便走，话不可不考虑便信口乱说，事不可不计划就贸然去做，衣服不能随便就脱，钱财不能随便据为已有，怒气不可不忍而任意发作，朋友不可不加选择地乱交。
我不会为任何人收敛我的光芒。
The meaning of earthly existence lies not, as we have grown used to thinking, in prospering but in the development of the soul.