Verse: Blessed assurance, Jesus is mine, oh what a foretaste, of glory divine. I'm a heir of salvation, purchased by God, born of His spirit, washed in His blood. Chorus: This is my story, this is my song; praising my Savior all the day long. This is my story, this is my song; praising my Savior all the day long. Vamp 1: Tenors: Oh, what a blessed assurance. Altos: This is my story, this is my song . Sopranos: Jesus is mine. Vamp 2: This is my story. Vamp 3: Praise Him.