Philippians 4:6-7 New International Version (NIV)
6 Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God. 7 And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus.
John 14:27 New King James Version (NKJV)
27 Peace I leave with you, My peace I give to you; not as the world gives do I give to you. Let not your heart be troubled, neither let it be afraid.
Colossians 3:15 New International Version (NIV)
15 Let the peace of Christ rule in your hearts, since as members of one body you were called to peace. And be thankful.
James 3:18 New King James Version (NKJV)
18 Now the fruit of righteousness is sown in peace by those who make peace.