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No more false statement has ever been made!
Rom.3
[1] What advantage then hath the Jew? or what profit is there of circumcision?
[2] Much every way: chiefly, because that unto them were committed the oracles of God.
At the time that Paul made this clear statement, obviously no writings of the word had been made in any other language. .
At the time Paul was around, there already WAS a Greek translation of the Hebrew books of Moses - and probably some of the prophets, as well. Ever hear of the Septuagint? Your "obviously" isn't obvious at all!