If we learn not humility, we learn nothing.

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

What, after all, is the public under present conditions? What are the reasons for its eclipse? What hinders it from finding and identifying itself? By what means shall its inchoate and amorphous estate be organized into effective political action relevant to present social needs and opportunities? What has happened to the public in the century and a half since the theory of political democracy was urged with such assurance and hope?

If the members who compose a society lived on continuously, they might educate the new-born members, but it would be a task directed by personal interest rather than social need. Now it is a work of necessity.

Vocational training is the training of animals or slaves. It fits them to become cogs in the industrial machine. Free men need liberal education to prepare them to make a good use of their freedom.

Scientific principles and laws do not lie on the surface of nature. They are hidden, and must be wrested from nature by an active and elaborate technique of inquiry.

Creative thinking will improve as we relate the new fact to the old and all facts to each other.