I have told you these things, so that in me you may have peace. In this world you will have trouble. But take heart. I have overcome the world. John 16:33
Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving understanding, will guard your hearts and minds in Christ Jesus. And the peace of God which transcends all understanding will guard your hearts and minds in Christ Jesus. Philippians 4:6-7
Peace I leave you, my peace I give you. I do not give you as the world gives. Do not let your hearts be troubled and do not be afraid. John 14:27
Now may the Lord of peace himself give you peace at all times and in every way. The Lord be with all of you. 2 Thess. 3:16
You will keep him in perfect peace those whose minds are steadfast, because they trust in you. Isaiah 26.3