Hasten to join a rascality of jugglers, my good man.

“But in a better Age, when Learning flourished more among the Romans, the Mathematicians were in greater Esteem, and Cicero carefully distinguished them from that Rascality of Jugglers that arrogated to themselves the Foreknowledge of future Events” [Isaac Barrow, The Usefulness of Mathematical Learning explained and demonstrated, Being Mathematical Lectures read in the Publick Schools at the University of Cambridge, 1734].