So a man on horseback went to meet him and said, “Thus says the king, ‘Is it peace?’” And Jehu said, “What do you have to do with peace? Turn around and ride behind me.” And the watchman reported, saying, “The messenger reached them, but he is not coming back.”
From Ramoth-Gilead to Jezreel was more than one day's march; about the mid-way between them the river Jordan must be crossed. We may suppose Jehu to have marched with all possible expedition, and to have taken the utmost precaution to prevent the tidings from getting to Jezreel before him; and, at length, we have him within sight first, and then within reach, of the devoted king. I.
Commenting on 2 Kings 9:16-29
And Joram said, make ready,.... The chariot, put to the horses; bind them, as the word signifies, to the chariot: and his chariot was made ready; by his servants immediately: and Joram king of Israel and Ahaziah king of Judah went out, each in his chariot; not both in the same chariot, but each in his own, for the sake of greater magnificence: and they...
What hast thou to do with peace? - "What is it to thee whether there be peace or war? Join my company, and fall into the rear."