You keep him in perfect peace
whose mind is stayed on you,
because he trusts in you.
Isaiah 26:3
https://www.spreaker.com/user/7978175/scriptures-on-the-perfect-peace-of-god
Peace I leave with you; my peace I give to you. Not as the world gives do I give to you. Let not your hearts be troubled, neither let them be afraid.
John 14:27
Do not be anxious about anything, but in everything by prayer and supplication with thanksgiving let your requests be made known to God. 7 And the peace of God, which surpasses all understanding, will guard your hearts and your minds in Christ Jesus.
Philippians 4:6-7
Therefore, since we have been justified by faith, we[a] have peace with God through our Lord Jesus Christ.
Romans 5:1
O Lord, you will ordain peace for us,
for you have indeed done for us all our works.
Isaiah 26:12