Exodus Chapter 8, Verse 10
From BibleWiki
10: And he said, To morrow. And he said, Be it according to thy
word: that thou mayest know that there is none like unto the LORD our God.
10: And he answered: To morrow. But he said: I will do according to
thy word; that thou mayest know that there is none like to the Lord our
God.
10: And he said, On the morrow: he said therefore, As thou has said; that thou mayest know, that there is no other [God] but the Lord.
Exodus Chapter 8, Verse 10/commentary

