Than a smatterer in law, wary, indeed, and a smart prater about actions, a setter-forth of forms, a captious wrangler.
Nisi leguleius quidem cautus, et acutus præco actionum, cantor formularum, auceps syllabarum.
Original text (Latin)
Notes from Wikiquote
Book I, Chapter 55; J. W. Jones, A Translation of all the Greek, Latin, Italian, and French Quotations which Occur in Blackstone's 'Commentaries on the Laws of England', &c. (Philadelphia, PA: T. & J. W. Johnson & Co, 1889) p. 4