Mercy speaks by Jesus' blood Hear and sing, ye sons of God Justice satisfied indeed Christ has full atonement made Jesus' blood speaks loud and sweet Here all deity can meet And without a jarring voice Welcome Zion to rejoice Welcome Zion to rejoice All her debt's been cast on Me She must and shall go All her debt's been cast on Me She must and shall go free Peace of conscience, peace with God Be obtained through Jesus' blood Jesus' blood speaks solid rest We believe and we are blessed We believe and we are blessed All her debt's been cast on Me She must and shall go free She must and shall go free She must and shall go free She must and shall go free She Beloved of the Lord Jesus' blood still speaks with power All her debt's been cast on Me She must and shall go free She must and shall go free All her debt's been cast on Me She must and shall go free She must and shall go free She must and shall go free She must and shall go free She must and shall go free She must and shall go free She must and shall go free She must and shall go free