Deuteronomy 4:39

39 An thou shalt know this day, and shalt consider in thine heart, that the Lord thy God he God in heaven above, and on the earth beneath, and there is none else but he.

Deuteronomy 4:39 Meaning and Commentary

Deuteronomy 4:39

Know therefore this day, and consider it in thine heart
Own and acknowledge it now with thy mouth, and lay it up and consider it in thine heart hereafter, as a truth of the greatest importance to be professed and held fast, and to be thought of and meditated upon continually, and never to be forgotten:

that the Lord he is God in heaven above,
and upon the earth beneath; that he has made both, and is the possessor and Lord of them, and does what he pleases with them; that the one is his throne, his dwelling place, and the other his footstool; and that the inhabitants of both are his creatures, and under his authority and command, and he can dispose of them as he pleases:

[there is] none else;
no God in heaven or in earth beside him.

Deuteronomy 4:39 In-Context

37 Because he loved thy fathers, he also chose you their seed after them, and he brought thee himself with his great strength out of Egypt,
38 to destroy nations great and stronger than thou before thy face, to bring thee in, to give thee their land to inherit, as thou hast it this day.
39 An thou shalt know this day, and shalt consider in thine heart, that the Lord thy God he God in heaven above, and on the earth beneath, and there is none else but he.
40 And keep ye his commandments, and his ordinances, all that I command you this day; that it may be well with thee, and with thy sons after thee, that ye may be long-lived upon the earth, which the Lord thy God giveth thee for ever.
41 Then Moses separated three cities beyond Jordan on the east,

The Brenton translation of the Septuagint is in the public domain.