Don't become a mere recorder of facts, but try to penetrate the mystery of their origin.
It is still open to question whether psychology is a natural science, or whether it can be regarded as a science at all.
I am convinced that an important stage of human thought will have been reached when the physiological and the psychological, the objective and the subjective, are actually united, when the tormenting conflicts or contradictions between my consciousness and my body will have been factually resolved or discarded.
