The Two Classic Justifications of Promising

Hume said that the reason why you ought to keep a promise is because there is this social rule that whenever you make a promise, you ought to keeping it. So that's one justification out of the way. What i want to say is this, that obligation can matter to people. And what promising does is it gives you the pow to control who's obliged to do what. I gives you the power to control whether someone else is obliged to turn up to the bust stop at a certain time,. or to control whether you're obliged to turnup to the bustop at a certain date. If it's right to think obligation matters to people for its own sake, then this power to