“Mighty to save.” Isaiah 63:1 SUGGESTED FURTHER READING: Hebrews 7:23–28 Remember the case of John Newton, the great and mighty preacher of St. Mary, Woolnoth,—an instance of the power of God to change the heart, as well as to give peace when the heart is changed. Ah! dear hearers, I often think within myself, “This is the greatest proof of the Saviour’s power.” Let another doctrine be preached: will it do the same? If it will, why not let every man gather a crowd