Inside the modern city, in spite of its nominal political unity, there are probably more communities, more differing customs, traditions, aspirations, and forms of government or control, than existed in an entire continent at an earlier epoch.

The aim of education is growth: the aim of growth is more growth

The problem of restoring integration and co-operation between man's beliefs about the world in which he lives and his beliefs about values and purposes that should direct his conduct is the deepest problem modern life. It is the problem of any philosophy that is not isolated from life.

Only in education, never in the life of farmer, sailor, merchant, physician, or laboratory experimenter, does knowledge mean primarily a store of information aloof from doing.

Giving and taking of orders modifies actions and results, but does not of itself effect a sharing of purposes, a communication of interests.

Liberty is not just an idea, an abstract principle. It is power, effective power to do specific things. There is no such thing as liberty in general; liberty, so to speak, at large.

Inference is always an invasion of the unknown, a leap from the known.