The spontaneous power of the child, his demand for self-expression, can not by any possibility be suppressed.

To have an idea of a thing is not just to get certain sensations from it. It is to be able to respond to the thing in view of its place in an inclusive scheme of action; it is to foresee the drift and probable consequence of the action of the thing upon us and of our action upon it.

For one man who thanks God that he is not as other men there are a thousand to offer thanks that they are as other men, sufficiently as others are to escape attention.

Where there is giving there must be taking.

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

One can think effectively only when one is willing to endure suspense and to undergo the trouble of searching.

The ultimate aim of production is not production of goods but the production of free human beings associated with one another on terms of equality.