631. Rabbi Chiya opened the discussion after him saying, "To you it was shown, that you might know that Hashem He is the Elohim... " (Devarim 4:35). This verse should be viewed closely. What is the meaning of, "To you it was shown?" HE ANSWERS, When the children of Yisrael went forth from Egypt, they knew nothing through the secret of the Faith in the Holy One, blessed be He, because they all worshipped idols in exile. They forgot all the roots of the Faith that they had originally that the twelve tribes inherited from their father Jacob.
632. When Moses came, he taught them that there was a supernal Elohim in the world, as we have established. Afterwards, they saw all the miracles and mighty deeds by the sea, and all the miracles and mighty deeds that He performed for them in Egypt. Then they saw many mighty deeds with the manna and with the water, the Torah was given to them, and they learned the ways of the Holy One, blessed be He, until they came to that time.
633. Moses said to them, Until now, I had to teach you as one teaches a child. This is the meaning of, "To you it was shown, that you might know," for I taught you until now the knowledge to know, behold and enter the secret of Faith, which is that Hashem He is the Elohim.'
634. If you wonder whether it is a small matter to know this, behold it is written, "Know therefore this day, and consider it in your heart, that Hashem He is the Elohim in heaven above, and upon the earth beneath, there is no other" (Ibid. 39). The entire secret of the Faith, deriving the secret of all secrets from this and knowing the most concealed of all, is stems from THIS VERSE. Yud Hei Vav Hei Elohim is a full name, FOR YUD HEI VAV HEI IS ZEIR ANPIN AND ELOHIM IS MALCHUT, and it indicates that it is all one. "To you it was shown, that you might know... THAT HASHEM HE IS THE ELOHIM... :" Here is the secret of secrets to those who know the law; NAMELY, THE SECRET THAT ZEIR ANPIN, WHICH IS YUD HEI VAV HEI, AND ELOHIM, WHICH IS MALCHUT, ARE ONE.