Question 2: Whether the prophetic books were consumed in the burning of Jerusalem and were restored by Ezra.
(5) Evident reason.…. Furthermore, had Ezra dictated sacred books that had been totally destroyed, he would have done this in the Chaldaic language or certainly in the current vernacular of the Israelites, which was a mixture of Hebrew and Chaldaic idioms, whence some writings also in the Chaldaic idioms are found in Ezra and Daniel. But is is evident that the sacred books we have today were written in a pure Hebrew language, namely, the language of our first parents, the patriarchs, and the prophets used, which is clear even from an etymology of proper names.
On the Nature of Theology and on Scripture