The best preparation for the future is a well-spent today.

One might as well say he has sold when no one has bought as to say he has taught when no one has learned.

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.

Communication is a process of sharing experience till it becomes a common possession. It modifies the disposition of both the parties who partake in it.

A being whose activities are associated with others has a social environment. What he does and what he can do depend upon the expectations, demands, approvals, and condemnations of others.

When words do not enter as factors into a shared situation, either overtly or imaginatively, they operate as pure physical stimuli, not as having a meaning or intellectual value. They set activity running in a given groove, but there is no accompanying conscious purpose or meaning.

If we teach today’s students as we taught yesterday’s, we rob them of tomorrow.