“We must not overlook the role that extremists play. They are the gadflies that keep society from being too complacent or self-satisfied; they are, if sound, the spearhead of progress. If they are fundamentally wrong, free discussion will in time put an end to them.”

“The student is to collect and evaluate facts. The facts are locked up in the patient.”

“We must not overlook the role that extremists play. They are the gadflies that keep society from being too complacent or self-satisfied; they are, if sound, the spearhead of progress. If they are fundamentally wrong, free discussion will in time put an end to them.”

“The new naval treaty permits the United States to spend a billion dollars on warships—a sum greater than has been accumulated by all our endowed institutions of learning in their entire history. Unintelligence could go no further! ... [In Great Britain, the situation is similar.] ... Until the figures are reversed, ... nations deceive themselves as to what they care about most.”