E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Credat Judæus or Credat Judæus Apella.
Tell that to the Marines. That may do for Apella, but I dont believe a word of it. Who this Apella was, nobody knows. (Horace: 1 Satires, v. line 100.)
1
Cicero mentions a person of this name in Ad Atticum (12, ep. 19); but see DUCANGE.