Deuteronomy 4:26

Overview - Deuteronomy 4
An exhortation to obedience.
41 Moses appoints the three cities of refuge on that side of Jordan.
44 Recapitulation.
Treasury of Scripture Knowledge

Deuteronomy 4:26  (King James Version)
I call heaven and earth to witness against you this day, that ye shall soon utterly perish from off the land whereunto ye go over Jordan to possess it; ye shall not prolong your days upon it, but shall utterly be destroyed.

I call heaven
A most solemn method of adjuration, in use among all the nations in the world; God and man being called upon to bear testimony to the truth of what was spoken, that if there was any flaw or insincerity it might be detected, and if any crime, it might not go unpunished. Such appeals to God shew at once the origin and use of oaths.
Deuteronomy 30:18 Deuteronomy 30:19 31:28 32:1 Isaiah 1:2 ; Jeremiah 2:12 ; 6:19 22:29 Ezekiel 36:4
Micah 1:2 ; 6:2

ye shall
29:28 Leviticus 18:28 ; 26:31-35 Joshua 23:16 ; Isaiah 6:11 ; 24:1-3 Jeremiah 44:22
Ezekiel 33:28 ; Luke 21:24