Danh ngôn của George Herbert Mead (Sứ mệnh: 3)

Society is unity in diversity.
The intelligence of the lower forms of animal life, like a great deal of human intelligence, does not involve a self.
The beauty of a face is not a separate quality but a relation or proportion of qualities to each other.
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.
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.