What does Christ's covenant promise mean for the church?

Christ’s covenant promise is of utmost significance for the church, providing a foundation for hope and assurance in God's continual redemptive work. As the mediator between God and His people, Christ has guaranteed that the gospel will be preached through the generations, ensuring that His people will always have access to the truth. This promise indicates that the church will never be left without faithful preachers or witnesses, as Christ actively calls and equips individuals for this task. It reflects His commitment to building His church, validating that until His return, the gospel message remains powerful and transformative, ultimately pointing to His glory.