Old song . . . I used to listen to it on a long gone radio station called KCFO/FM98 in Tulsa but a few of the lyrics come back to me when I go through frustrations. They may sound a little silly but get the right idea across.
(As Christians~)
We are strangers
We are aliens
We are not of this world

Words and music by Bob Hartman
Based on 2 Peter 2:11, John 15:18-19, John 16:33, Matthew 16:18, John 14:3
We are pilgrims in a strange land
We are so far from our homeland
With each passing day it seems so clear
This world will never want us here
We’re not welcome in this world of wrong
We are foreigners who don’t belong
(Chorus)
We are strangers, we are aliens
We are not of this world
We are envoys, we must tarry
With this message we must carry
There’s so much to do before we leave
With so many more who may believe
Our mission here can never fail
And the gates of hell will not prevail
Jesus told us men would hate us
But we must be of good cheer
He has overcome this world of darkness
And soon we will depart from here
Taken from MusicSongLyrics.com