(Exod. 34:27:) AND THE LORD SAID UNTO MOSES: WRITE DOWN THESE WORDS, [FOR ORALLY IN THESE WORDS…. ]⁸⁵ R. Johanan, R. Joshua, and R. Simeon say: "{I gave you} [With] these words" is not written here, but ORALLY IN THESE WORDS. I gave you Written Torah and Oral Torah. If you make what is in writing oral and what is oral into writing so as to reverse them, you will not receive a reward. Why? Because I gave you Written Torah and Oral Torah. I also made a covenant with you with the stipulation that you recite them in this way; but if you change it, know that you will invalidate the covenant. Thus it is stated (in Deut. 4:9): LEST YOU FORGET THE THINGS THAT YOUR EYES HAVE SEEN, things which are written down in writing. (Ibid. cont.:) AND LEST THEY DEPART FROM YOUR HEART. These are words that are oral.

footnotes: ⁸⁵ On the translation of this verse, see above, note 76.

(Exod. 34:27, cont.:) I HAVE MADE A COVENANT WITH YOU [AND WITH ISRAEL]. Because of the Torah I love Israel; and not Israel alone, but also Moses, [since he magnified him] by virtue of the Law. FOR ORALLY IN THESE WORDS I HAVE MADE A COVENANT WITH YOU. And how did he magnify Moses? R. Samuel said in the name of R. Jeremiah bar Isaac: When he saw all the glory in this world, he took nothing from the principal (QRN).⁸⁶). Rather the principal (i.e., the shining) remains in tact for him in the age to come.

footnotes: ⁸⁶ This concept of the principal remaining intact comes from Exod. 34:29: MOSES DID NOT KNOW THAT THE SKIN OF HIS FACE WAS SHINING (QRN