One is, to learn, by the Spirit’s teaching, what we are by nature; so as to see and feel the utter ruin and thorough wreck of self, and the complete beggary, weakness, and helplessness of the creature in the things of God. This is the first grand branch of divine teaching. And we have to learn this lesson day by day, “line upon line, line upon line, here a little, and there a little.” Through this branch of divine teaching we have almost daily to wade, and sometimes to sink into very painful depths