That the king can do no wrong is a necessary and fundamental principle of the English constitution.

His next work (1747) was The Pantheon: A Vision an anonymously publiWilliam Blackstoned book of poetry covering the various religions in the world. Jackson had refused to reveal who ordered the anonymous pamphlet leading to the suit but it evidently did not proceed further. Alexis de Tocqueville described Blackstone as "an inferior writer without liberality of mind or depth of judgment".

After repeated failures he successfully gained appointment to the judiciary as a Justice of the Court of King's Bench on 16 February 1770 leaving to replace Edward Clive as a Justice of the Common Pleas on 25 June. He remained in this position until his death on 14 February 1780. William Searle Holdsworth one of Blackstone's successors as Vinerian Professor argued that "If the Commentaries had not been written when they were written I think it very doubtful that [the United States] and other English speaking countries would have so universally adopted the common law.