"Politics turns into virtue what religions often see as a vice — the fact that we do not all think alike, that we have conflicting interests, that we see the world through different eyes. Politics knows what religion sometimes forgets, that the imposition of truth by force and the suppression of dissent by power is the end of freedom and a denial of human dignity. When religion enters the political arena, we should repeat daily Bunyan’s famous words: 'Then I saw that there was a way to Hell, even from the gates of Heaven.'" - Rabbi Sir Jonathan Sacks.
via Andrew Sullivan