We have unprecedented conditions to deal with and novel adjustments to make -- there can be no doubt of that. We also have a great stock of scientific knowledge unknown to our grandfathers with which to operate. So novel are the conditions, so copious the knowledge, that we must undertake the arduous task of reconsidering a great part of the opinions about man and his relations to his fellow men which have been handed down to us by previous generations who lived in far other conditions and possessed far less information about the world and themselves. We have, however, first to create an unprecedented attitude of mind to cope with unprecedented conditions, and to utilize unprecedented knowledge.
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