It requires troublesome work to undertake the alteration of old beliefs.

The activity of the immature human being is simply played upon to secure habits which are useful. He is trained like an animal rather than educated like a human being. His instincts remain attached to their original objects of pain or pleasure. But to get happiness or to avoid the pain of failure he has to act in a way agreeable to others.

Written symbols are even more artificial or conventional than spoken; they cannot be picked up in accidental intercourse with others. In addition, the written form tends to select and record matters which are comparatively foreign to everyday life.

A society which is mobile, which is full of channels for the distribution of a change occurring anywhere, must see to it that its members are educated to personal initiative and adaptability.

Democracy has to be born anew every generation, and education is its midwife.

Consensus demands communication.

Even dogs and horses have their actions modified by association with human beings; they form different habits because human beings are concerned with what they do.