In the greatness of thine excellency Thy great and excellent power. Excellency, or highness, (as the word גאון, here used, properly means,) belongs in the most eminent and unqualified sense to Jehovah, who is superlatively high and excellent in all his attributes.
Related Commentaries of Exodus 15:7
Exodus 15:7
7 And in the greatness of thine excellency thou hast overthrown them that rose up against thee: thou sentest forth thy wrath, which consumed them as stubble.