10. Quintilian tells us (3.1.18, comp. 3.5.17, 5.10.4) that the precepts of the Greek rhetorician Apollodorus who gave instructions at Apollonia to Augustus (Suet. Octav. 89) may best be learned from his disciples, of whom the most diligent in translating them into Latin " fuit C. Valgius Graece Atticus." He adds that the only genuine production of Valgius upon this subject was entitled that others had indeed been ascribed to him, but that he had not acknowledged them in his letter to Domitius.