You keep him in perfect peace whose mind is stayed on you, because he trusts in you. – Isaiah 26:3 ESV

The Lord will give [unyielding and impenetrable] strength to His people; the Lord will bless His people with peace. – Psalm 29:11 AMP

“I am leaving you with a gift—peace of mind and heart. And the peace I give is a gift the world cannot give. So don’t be troubled or afraid. – John 14:27 NLT

I have told you these things, so that in Me you may have [perfect] peace and confidence. In the world you have tribulation and trials and distress and frustration; but be of good cheer [take courage; be confident, certain, undaunted]! For I have overcome the world. [I have deprived it of power to harm you and have conquered it for you.] – John 16:33 AMP

Therefore, since we have been justified by faith, we have peace with God through our Lord Jesus Christ. – Romans 5:1 ESV

And the peace of God, which surpasses all understanding, will guard your hearts and your minds in Christ Jesus. – Philippians 4:7 ESV