Hocus was an old cunning attorney. The words of consecration, "Hoc est corpus," were travestied into a nickname for jugglery, as "Hocus-pocus." - John Richard Green, A Short History of the English People, 1874. see Charles Macklin.
John ArbuthnotThe Mathematics are Friends to Religion, inasmuch as they charm the Passions, restrain the Impetuosity of the Imagination, and purge the Mind from Error and Prejudice. Vice is Error, Confusion, and false Reasoning; and all Truth is more or less opposite to it. Besides, Mathematical Studies may serve for a pleasant Entertainment for those Hours which young Men are apt to throw away upon their Vices; the Delightfulness of them being such as to make Solitude not only easy, but desirable.
John Arbuthnot