NET

39 Today realize and carefully consider that the Lord is God in heaven above and on earth below—there is no other!

Darby

39 Thou shalt know therefore this day, and consider it in thy heart, that Jehovah, he is God in the heavens above, and on the earth beneath: [there is] none else.

KJV

39 Know therefore this day, and consider [it] in thine heart, that the LORD he [is] God in heaven above, and upon the earth beneath: [there is] none else.

Strong's

39 Know ^H3045 therefore this day^H3117, and consider^H7725 it in thine heart^H3824, that the LORD^H3068 he is God^H430 in heaven^H8064 above^H4605, and upon the earth^H776 beneath: there is] is none else.