Oaths and Vows

Ever broken a promise? Ever had someone break a promise to you? Jesus seemed to think this was a pretty big deal. But why did it matter enough to put up there alongside murder, sex, and the tearing apart of households? Could it really be that any time we are not true to our word that is ‘from the evil one’? How can we even have hope of being more honest, reliable, and faithful with our words?