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

“All along we find that social life - religion, politics, art - reflects the stages reached in the development of the knowledge of self; it shows the social uses made of this knowledge.”

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

“Feeling is the consciousness of the resulting conditions - of success, failure, equilibrium, compromise or balance, in this continuous rivalry of ideas.”