Usage examples for heretical
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                                    That as unjust our justice should appear In eyes of mortals, is an argument Of faith, and not of sin heretical. – Divine-Comedy-Longfellow-s-Translation-Complete by Dante Alighieri 
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                                    The big problem for the heretical teacher is the problem of order, or rather of disorder. – A Dominie in Doubt by A. S. Neill