Like all science, psychology is knowledge; and like science again, it is knowledge of a definite thing, the mind.

Like all science, psychology is knowledge; and like science again, it is knowledge of a definite thing, the mind.

像所有的科学一样，心理学是知识;就像科学一样，它是关于一个确定的事物的知识，即头脑。

-- James M. Baldwin 詹姆斯·M·鲍德温