In fact, although the Third Law plays an important part in some of the final sections of the printed version of the Harmony of the World, it was not actually discovered until the work was in press. Kepler made last-minute revisions.
Sa katunayan, bagaman ang Third Law plays isang mahalagang bahagi sa ilan sa mga huling bahagi ng mga nakalimbag na bersyon ng Harmony ng World, ito ay hindi tunay na natuklasan hanggang sa trabaho ay sa pindutin. Kepler ginawa huling-minutong rebisyon.