There are days where there is very little peace in places you may go in your life. It can be the disruption of others you may encounter. You have immediate meditation of God operating in your very existence and you can observe and; or act in ways of a peacemaker without harm.
Think on this:
I am God's instrument. . He gives me the power His peace.
"Peace I leave with you; not as the world giveth...." John 14: 27 KJV