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Ages when custom is unsettled are necessarily ages of prophecy. The moralist cannot teach what is revealed; he must reveal what can be taught. He has to seek insight rather than to preach.

Walter Lippmann, Clinton Rossiter, James Lare (1982). “The Essential Lippmann: A Political Philosophy for Liberal Democracy”, p.482, Harvard University Press
Ages when custom is unsettled are necessarily ages of prophecy. The moralist cannot teach what is revealed; he must reveal what can be taught. He has to seek insight rather than to preach.