Take the situation of a scientist solving a problem, where he has certain data, which call for certain responses. Some of this set of data call for his applying such and such a law, while others call for another law.

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

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.

Man lives in a world of meaning.

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.

Warfare is an utterly stupid method of settling differences of interest between different nations.

In wartime we identify ourselves with the nation, and its interests are the interests of our primal selves.