The task of psychology is to analyze the structure of consciousness into its component parts.

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.

所以天将要把重大任务落到这个人身上，一定先要使他的心志痛苦，使他的筋骨劳累，使他的身体饥饿，使他的身子穷困，并且使他的每一行为总是不能如意，借此来使他的内心震动，坚韧他的性情，增加他的才干。

"The real voyage of discovery consists not in seeking new landscapes, but in having new eyes."

史记

因果关系的阶梯有三个梯级：观察、行动和想象。