Isaiah says the same thing, xxx.
631
On Esdras.—The story that the books were burnt with the temple proved false by Maccabees: "Jeremiah gave them the law."
The story that he recited the whole by heart. Josephus and Esdras point out that he read the book. Baronius, Ann., p. 180: Nullus penitus Hebr?orum antiquorum reperitur qui tradiderit libros periisse et per Esdram esse restitutos, nisi in IV Esdr?.
The story that he changed the letters.
Philo, in Vita Moysis: Illa lingua ac character quo antiquitus scripta est lex sic permansit usque ad LXX.