To be interested in the public good we must be disinterested, that is, not interested in goods in which our personal selves are wrapped up.

Social psychology is especially interested in the effect which the social group has in the determination of the experience and conduct of the individual member.

No very sharp line can be drawn between social psychology and individual psychology.

The beauty of a face is not a separate quality but a relation or proportion of qualities to each other.

Social psychology has, as a rule, dealt with various phases of social experience from the psychological standpoint of individual experience.

To so enter into it in nature and art that the enjoyed meanings of life may become a part of living is the attitude of aesthetic appreciation.

What gives it its human character is that the individual through language addresses himself in the role of the others in the group and thus becomes aware of them in his own conduct.