Deuteronomy 32:20 KJV
And he said, I will hide my face from them, I will see what their end shall be: for they are a very froward generation, children in whom is no faith.
Deuteronomy 32:20, King James Version
In context
19 And when the Lord saw it, he abhorred them, because of the provoking of his sons, and of his daughters.
20 And he said, I will hide my face from them, I will see what their end shall be: for they are a very froward generation, children in whom is no faith.
21 They have moved me to jealousy with that which is not God; they have provoked me to anger with their vanities: and I will move them to jealousy with those which are not a people; I will provoke them to anger with a foolish nation.