according thy wisdom] Wisely observing him: he is of a stirring spirit, so as thou mayest some time or other, take just advantage against him.
hoar head] He was now old, having been a Generall all Davids time, 2 Samuel 2:13.
in peace] By a naturall death without revenge, but cut him off by the sword of justice. See vers. 9. See also Genesis 42:38.