Bible Verses About Spiritual Peace: By ministers

How beautiful upon the mountains are the feet of him that bringeth good tidings, and that preacheth peace: of him that sheweth forth good, that preacheth salvation, that saith to Sion: Thy God shall reign!

And how shall they preach unless they be sent, as it is written: How beautiful are the feet of them that preach the gospel of peace, of them that bring glad tidings of good things?