The most venerable, clearly understood, enlightened, and reliable constant in the world is not only that we want to be happy, but that we want only to be so. Our very nature requires it of us.
Saint AugustineYou have enemies. For who can live on this earth without them? Take heed to yourselves: love them. In no way can your enemy so hurt you by his violence, as you hurt yourself if you love him not.
Saint Augustine