It has been petrified into a slavery of thought and sentiment, as intolerant superiority on the part of the few and an intolerable burden on the part of the many.

The deepest urge in human nature is the desire to feel important.

The religious is any activity pursued in behalf of an ideal end against obstacles and in spite of threats of personal loss because of its general and enduring value.

The experience has to be formulated in order to be communicated.

Every living being needs continually renewed, and education is simply the chief process by which renewal occurs.

Nature is the mother and the habitat of man, even if sometimes a stepmother and an unfriendly home.

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.