Quotation к Дварим 6:4

And from where one is called one, it is said, "How shall one thousand come after them?" And from where the Holy One, blessed be He, is called one, And where the Torah is called one, as it is said, "One Torah will be yours." I am the head of all the commandments and the top of all the letters:...

Hear, O Israel: The Lord our God, the Lord is One.

And in Your Torah it is written: “Hear, Yisrael: Adonoy is our God Adonoy is One!”