‘Amazing Grace’ is the supreme hymn of Evangelical redemption….It is therefore tempting to imagine John Newton suddenly seeing the light about slavery and turning away from his wicked profession to dedicate himself to God. But the timing of Newton’s conversion is all wrong. In fact, it was after his religious awakening that Newton became the first mate and then the captain of a succession of slave ships, and only much later that he began to question the morality of buying and selling his fellow men and women.