41 Heb “splendor,” used here by metonymy as a title for the Lord.
42 Or perhaps “does not lie.”
43 This observation marks the preceding statement (v. 28) as an unconditional, unalterable decree. When God makes such a decree he will not alter it or change his mind. This does not mean that God never deviates from his stated intentions or changes his mind. On the contrary, several passages describe him as changing his mind. In fact, his willingness to do so is one of his fundamental divine attributes (see Joel 2:13; Jonah 4:2). For a fuller discussion see R. B. Chisholm, Jr., “Does God Change His Mind?” 152 (1995): .

In other versions

And also the Glory of Israel will not lie or have regret, for he is not a man, that he should have regret.”

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.”

Furthermore, the Eternal One of Israel does not lie or change his mind, for he is not man who changes his mind.”

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!”

Moreover, the Glory of Israel will not break faith and will not regret, for he is not a human that he should regret.”

And also the Strength of Israel will not lie nor repent: for he is not a man, that he should repent.

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