The empiric easily degenerates into the quack. He does not know where his knowledge begins or leaves off, and so when he gets beyond routine conditions he begins to pretend-to make claims for which there is no justification, and to trust to luck and to ability to impose upon others-to "bluff."

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.

It is obvious to any observer that in every western country the increase of importance of public schools has been at least coincident with the relaxation of older family ties.

You cannot teach today the same way you did yesterday to prepare students for tomorrow.

There is no common understanding, and no community life. But in a shared activity, each person refers what he is doing to what the other is doing and vice-versa.

There is no greater egoism than that of learning when it is treated simply as a mark of personal distinction to be held and cherished for its own sake. ... [K]knowledge is a possession held in trust for the furthering of the well-being of all

All of us have many habits of whose import we are quite unaware, since they were formed without our knowing what we were about. Consequently they possess us, rather than we them. They move us; they control us. Unless we become aware of what they accomplish, and pass judgment upon the worth of the result, we do not control them.