About the Mystery of the Letters the mid-6th century, in which Mar Saba had played an important role. The anonymous author of the treatise declares he was prompted to the study of the secret meanings of the letters by the words of the Apocalypse, "I am the Alpha and Omega", and that he subsequently received a vision about them on Mount Sinai. The author proposes a re-modelled Greek alphabet reduced to 22 letters on the model of the 22 letters of Hebrew (discounting Xi Ξ and Psi Ψ), and with the Hebrew letter names. He then interprets these letters as symbolic figures of 22 works of
Paleo-Hebrew alphabet alphabet for the Hebrew language. The arguments given for both opinions are rooted in Jewish scripture and/or tradition. A third opinion in the Talmud states that the script never changed altogether. It would seem that the sage who expressed this opinion did not believe that Paleo-Hebrew ever existed, despite the strong arguments supporting it. His stance is rooted in a scriptural verse, which makes reference to the shape of the letter vav. The sage argues further that, given the commandment to copy a Torah scroll directly from another, the script could not conceivably have been modified at any point. This