There is danger from all men. The only maxim of a free government ought to be to trust no man living with power to endanger the public liberty.
我们心理学的一般立场是经验性的:我们的科学不过是经验的事实。
The teacher must believe in the potential of his students.
Man is not logical and his intellectual history is a record of mental reserves and compromises. He hangs on to what he can in his old beliefs even when he is compelled to surrender their logical basis.