Standing Side by Side in Prayer

I was studying for the message for next Sunday when I came upon this verse in Philippians 1:27:Only be sure as citizens so to conduct yourselves [that] your manner of life [will be] worthy of the good news (the Gospel) of Christ, so that whether I [do] come and see you or am absent, I may hear this of you: that you are standing firm in united spirit and purpose, striving side by side and contendin...