Cross-references Explore similar Bible verses on Psalm 57:7 in English Standard Version "My heart is steadfast, O God, my heart is steadfast! I will sing and make melody!" Ps 108:1 A Song. A Psalm of David. My heart is steadfast, O God! I will sing and make melody with all my being! Ps 112:7 He is not afraid of bad news; his heart is firm, trusting in the Lord.