We have a fatal tendency to exaggerate the faults of others and minimize the gravity of our own. We seem to find it impossible, when comparing ourselves with others, to be strictly objective and impartial. On the contrary, we have a rosy view of ourselves and a jaundiced view of others. Indeed, what we are often doing is seeing our own faults in others and judging them vicariously. That way, we experience the pleasure of self-righteousness without the pain of penitence...

-John Stott, 'The Message of the Sermon on the Mount.'