war was in his heart. Compare 2 Samuel 14:33 with 2 Samuel 15:5; 2 Samuel 15:6. Referring to Psalms 55:19.
Related Commentaries of Psalms 55:21
Psalms 55:21
21 The words of his mouth were smoother than butter, but war was in his heart: his words were softer than oil, yet were they drawn swords.