Then King Solomon sware by the Lord Once here, and again 1 Kings 2:24, which he did to oblige himself irrevocably to perform his resolution, and to prevent all intercession for Adonijah's life, the matter being, he believed, of the greatest importance to him.
Related Commentaries of 1 Kings 2:23
1 Kings 2:23
23 Then king Solomon sware by the LORD, saying, God do so to me, and more also, if Adonijah have not spoken this word against his own life.