 Now in these other Worlds, besides that we may suppose that the Original Fabrick … into which the Omniscient Architect at first contriv’d the parts of their matter, was very differing from the structure of our Systeme; besides this, I say, we may conceive that there may be a vast difference betwixt the subsequent Phænomena, and productions observable in one of those Systemes, from what regularly happens in ours, though we should suppose no more, than that two or three Laws of Local Motion may be differing in those unknown Worlds, from the Laws that obtain in ours (BW, 10:172–3, Birch 1772, V:138–139).