意识的元素要以纯粹形式研究。
The elements of consciousness are to be studied in their pure form.
I am not trying to imitate a photograph, I am trying to make one.
心理学必须始终问:这如何帮助有机体生活?
历史学家必须公正,但不能冷漠。
It is justice, not charity, that is wanting in the world.