William O. Douglas

“ They must have the freedom of responsible inquiry, by thought and action, into the meaning of social and economic ideas, into the checkered history of social and economic dogma. They must be free to sift evanescent doctrine, qualified by time and circumstance, from that restless, enduring process of extending the bounds of understanding and wisdom, to assure which the freedoms of thought, of speech, of inquiry, of worship are guaranteed by the Constitution of the United States against infraction by national or State government. ”

“ To regard teachers-in our entire educational system, from the primary grades to the university-as the priests of our democracy is therefore not to indulge in hyperbole. It is the special task of teachers to foster those habits of open-mindedness and critical inquiry which alone make for responsible citizens, who, in turn, make possible an enlightened and effective public opinion. Teachers must fulfill their function by precept and practice, by the very atmosphere which they generate; they must be exemplars of open-mindedness and free inquiry. ”

“ Such joining is an exercise of the rights of free speech and free inquiry. By limiting the power of the States to interfere with freedom of speech and freedom of inquiry and freedom of association, the Fourteenth Amendment protects all persons, no matter what their calling. But, in view of the nature of the teacher's relation to the effective exercise of the rights which are safeguarded by the Bill of Rights and by the Fourteenth Amendment, inhibition of freedom of thought, and of action upon thought, in the case of teachers brings the safeguards of those amendments vividly into operation. ”