What does the Bible say about peace in Jesus?

In John 14:27, Jesus proclaims, 'Peace I leave with you, my peace I give unto you: not as the world giveth, give I unto you. Let not your heart be troubled, neither let it be afraid.' This peace is distinct from what the world offers; it is deeper and more profound, stemming from our relationship with Christ and the assurance of His presence through the Holy Spirit. This peace signifies an eternal security and tranquility in the midst of life's storms, confirming our reconciliation with God through Jesus' finished work on the cross, as noted in Romans 5:1-2.