How do we know God's promises for peace are true?

The assurance of God's promises for peace is grounded in the sacrificial work of Jesus Christ, who bore the punishment for our sins. Isaiah 57:19 highlights that God declares peace to His people regardless of their past sins, fulfilling His covenant promises through Christ. This peace is tied to the commitment God made in Christ, ensuring that believers can trust in His grace and mercy. Moreover, through chastening and trials, believers are led to understand their need for Christ, further solidifying trust in God's promises.