Bible Verses About Unity of God: All saints acknowledge, in worshipping him

Therefore thou art magnified, O Lord God, because there is none like to thee, neither is there any God besides thee, in all the things that we have heard with our ears.

And he prayed in his sight, saying: O Lord God of Israel, who sittest upon the cherubims, thou alone art the God of all the kings of the earth: thou madest heaven and earth:

O Lord there is none like thee: and here is no other God beside thee, of all whom we have heard of with our ears.