Psychology should be the science of mental life, both of its phenomena and of their conditions.
Circumstances rule men; men do not rule circumstances.
The study of the mind must be based on direct observation.
正是通过观察和反思的力量，人们才能找到方法。所以我们必须不断地挖掘和钻研。
没有人值得你流泪，值得让你这么做的人不会让你哭泣。
The elements of consciousness are to be determined by systematic observation.