Deuteronomy 26:17-19

CLV(i) 17 To Yahweh have you affirmed today that He is to be your Elohim, and you are to go in His ways and to observe His statutes, His instructions and His judgments and to hearken to His voice. 18 As for Yahweh, He affirms today that you are to be for Him a special people, just as He promised to you, and that you are to observe all His instructions;" 19 then He promises to give you supremacy over all the nations which He has made, for praise, for a name and for beauty, and for you to be a people holy to Yahweh your Elohim just as He has promised.