Just as one stain can ruin our favorite outfit, a neglected blemish on a Christian’s character can spoil his witness. Today, Sinclair Ferguson reflects on a penetrating letter by John Newton, who wrote the hymn “Amazing Grace.”

Hear more from Things Unseen with Sinclair B. Ferguson: https://www.youtube.com/playlist?list=PL30acyfm60fWgA8zL6TjP3KtLhRFNHfxi