9. And therefore for some time I have thought of writing, but I have hesitated until now, for truly, I feared to expose myself to the criticism of men, because I have not studied like others, who have assimilated both Law and the Holy Scriptures equally and have never changed their idiom since their infancy, but instead were always learning it increasingly, to perfection, while my idiom and language have been translated into a foreign tongue. So it is easy to prove from a sample of my writing, my ability in rhetoric and the extent of my preparation and knowledge, for as it is said, wisdom shall be recognized in speech, and in understanding, and in knowledge and in the learning of truth.'