Complete adaptation to environment means death. The essential point in all response is the desire to control environment.

Everything which bars freedom and fullness of communication sets up barriers that divide human beings into sets and cliques, into antagonistic sects and factions, and thereby undermines the democratic way of life.

Such words as "society" and "community" are likely to be misleading, for they have a tendency to make us think there is a single thing corresponding to the single word.

A man can be prevented from breaking into other persons' houses by shutting him up, but shutting him up may not alter his disposition to commit burglary.

The future of religion is connected with the possibility of developing a faith in the possibilities of human experience and human relationships that will create a vital sense of the solidarity of human interests and inspire action to make that sense a reality.

Instruction is important.

There's all the difference in the world between having something to say, and having to say something.