Moriaen, as Hartlib told Boyle, hoped that Kuffler 'may not blow up a good conscience to get riches by such means'.[147] The demonstration, in the event, was a failure, a fact Moriaen attributed to divine disapproval: 'it may be, then, that God is not pleased with this undertaking and therefore prevents its success'.[148] Boyle apparently shared these misgivings, for Moriaen added a few weeks late