This insinuation of the interests of the self into even the most ideal enterprises and most universal objectives, envisaged in moments of highest rationality, makes hypocrisy an inevitable by product of all virtuous endeavor.
Reinhold NiebuhrThat's why history is not an answer to our problem, because history complicates, enlarges every problem of human existence. Now, the eighteenth and nineteenth centuries didn't believe this.
Reinhold Niebuhr