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.

As some species die out, forms better adapted to utilize the obstacles against which they struggled in vain come into being.

Change as change is mere flux and lapse; it insults intelligence. Genuinely to know is to grasp a permanent end that realizes itself through changes.

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

Old ideas give way slowly; for they are more than abstract logical forms and categories. They are habits, predispositions, deeply ingrained attitudes of aversion and preference.

To "learn from experience" is to make a backward and forward connection between what we do to things and what we enjoy or suffer from things in consequence.

Every teacher should realize he is a social servant set apart for the maintenance of the proper social order and the securing of the right social growth. In this way, the teacher always is the prophet of the true God and the usherer-in of the true Kingdom of God.