I once attended a talk by Mark Burgess on Promise Theory. It turns out to be not so much a theory and more like an odd collection of sayings. For example, what

I once attended a talk by Mark Burgess on Promise Theory. It turns out to be not so much a theory and more like an odd collection of sayings. For example, what is a promise in promise theory? Not really clear. What can you actually do with promise theory, and how might it inform the design of a system? Well, it's not really clear. CFEngine being based on Promise Theory is circular, since Promise Theory means whatever it's convenient to mean, or possibly maybe "whatever CFEngine does"