The devotion of democracy to education is a familiar fact. . . . [A] government resting upon popular suffrage cannot be successful unless those who elect . . . their governors are educated.

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.

Change as change is mere flux and lapse; it insults intelligence. Genuinely to know is to grasp a permanent end that realizes itself through changes.

Art is the most effective mode of communications that exists.

But the individual butterfly or earthquake remains just the unique existence which it is. We forget in explaining its occurrence that it is only the occurrence that is explained, not the thing itself.

Communication of science as subject-matter has so far outrun in education the construction of a scientific habit of mind that to some extent the natural common sense of mankind has been interfered with to its detriment.

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.