1 Samuel 15:29

29 He who is the Glory of Israel does not lie or change his mind; for he is not a human being, that he should change his mind.”

Read 1 Samuel 15:29 Using Other Translations

And also the Strength of Israel will not lie nor repent: for he is not a man, that he should repent.
And also the Glory of Israel will not lie or have regret, for he is not a man, that he should have regret."
And he who is the Glory of Israel will not lie, nor will he change his mind, for he is not human that he should change his mind!”