John 14:27
27Peace I leave with you; my peace I give you. I do not give to you as the world gives. Do not let your hearts be troubled and do not be afraid.
Isaiah 26:3,4
3 You will keep in perfect peace, him whose mind is steadfast, because he trusts in you. 4 Trust in the LORD forever, for the LORD, the LORD, is the Rock eternal.
Romans 5:1-5
1Therefore, since we have been justified through faith, we have peace with God through our Lord Jesus Christ, 2through whom we have gained access by faith into this grace in which we now stand. And we rejoice in the hope of the glory of God. 3Not only so, but we also rejoice in our sufferings, because we know that suffering produces perseverance; 4perseverance, character; and character, hope. 5And hope does not disappoint us, because God has poured out his love into our hearts by the Holy Spirit, whom he has given us.
Philippians 4:4-9
4Rejoice in the Lord always. I will say it again: Rejoice! 5Let your gentleness be evident to all. The Lord is near. 6Do not be anxious about anything, but in everything, by prayer and petition, with thanksgiving, present your requests to God. 7And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus. 8Finally, brothers, whatever is true, whatever is noble, whatever is right, whatever is pure, whatever is lovely, whatever is admirable-if anything is excellent or praiseworthy-think about such things. 9Whatever you have learned or received or heard from me, or seen in me-put it into practice. And the God of peace will be with you.