spake not aright - that is, not so as penitently to confess that they acted wrong. Compare what follows.
every one ... his course - The Keri reads “course,” but the Chetib, “courses.” “They persevere in the courses whatever they have once entered on.” Their wicked ways were diversified.
horse rusheth - literally, “pours himself forth,” as water that has burst its embankment. The mad rapidity of the war horse is the point of comparison (Job 39:19-25).