In consideration of his holy and righteous nature and government, or of his faithfulness in making good that great promise of sending the Messias into the world; for holiness is sometimes taken for faithfulness, which is one part or branch of it.
Related Commentaries of Psalms 97:12
Psalms 97:12
12 Rejoice in the LORD, ye righteous; and give thanks at the remembrance of his holiness.