What does it mean that Jesus will not fail?

'He shall not fail' asserts the certainty of Christ's success in all His salvific work. As the chosen servant of God, Jesus is guaranteed to fulfill every aspect of redemption for His people. Isaiah 42:4 emphasizes that God's purposes will prevail and that Jesus will complete His work of establishing justice and righteousness. This assurance encourages believers to trust in His unfailing power during trials, knowing that He is committed to fulfilling His promises in our lives and His church.