And he, as well as his recent predecessors, tells the world to stop fighting and have dialogue and be brothers and just, well, be nice, dammit.
It's been terrifically effective.
From Allan Bloom's The Closing Of The American Mind
There is so much effort wasted on exhorting men "to practice virtues that they rarely perfect, whose goodness for the individuals who practice them is questionable, and the preachings of which are boring to everyone concerned."---