2 Kings 10:16-18
American Standard Version
16 And he said, Come with me, and see my zeal for Jehovah. So they made him ride in his chariot. 17 And when he came to Samaria, he smote all that remained unto Ahab in Samaria, till he had destroyed him, according to the word of Jehovah, which he spake to Elijah.
18 And Jehu gathered all the people together, and said unto them, Ahab served Baal a little; but Jehu will serve him much.Read full chapter