[NOTE: Each Thursday, we reflect on a hymn. Many are suggested by our readers. If you would like us to add your favorites to our list, please leave a comment with up to three favorite songs, and we will reflect on them in the future.] ————————— A Fanny Crosby-W.H. Doane song, “Though Your Sins be as Scarlet” is one of my all-time favorite hymns. The first verse (and title) are based upon Isaiah 1:18, and the entire song takes the theme of forgiveness and encourages the hearer to find his forgiveness in the Lord. While Crosby wrote over 8000 hymn texts, and Williams Doane contributed the music to many of…