There is a moment on Sinai when God tells Moses to write. Not to remember, not to transmit orally, not to carve into stone alone — but to write. Targum Pseudo-Jonathan on Exodus 34:27 renders the command carefully: Write thou these words; for upon the expression of these words have I stricken My covenant with thee and with the people of Israel.
The Targum's phrase, "the expression of these words," is telling. The covenant is not bound to an abstraction. It is bound to the specific utterance — the exact formulation — that God has just spoken. The words themselves are the contract. Changing the words would be changing the covenant.
This is why Judaism became a religion of text. The oral repetition of Shema Yisrael, the precise wording of the blessings, the meticulous copying of Torah scrolls by scribes who count every letter — all of it traces back to this verse. If the covenant were made on ideas, a paraphrase would do. But the covenant was struck on the expression, so every letter matters.
The rabbis noted that Moses wrote the second set of tablets himself (Exodus 34:28), unlike the first set which were written by the finger of God. The Targum treats this as elevation, not demotion: Israel now has a Torah that passes through human hands, inked by a prophet, readable, copyable, teachable to the next generation.
The takeaway: the Jewish covenant lives in language. Not in feeling, not in mood, not even in belief alone — but in the exact words, preserved precisely, so that three thousand years later a Jew opening a scroll in Brooklyn reads the same sentence a Jew read in the desert.