Bible Verses About Communion of Saints: In mutual comfort and edification

And what agreement hath the temple of God with idols? for ye are the temple of the living God; as God hath said, I will dwell in them, and walk in them; and I will be their God, and they shall be my people.

Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;

Let the word of Christ dwell in you richly in all wisdom; teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord.

And Jonathan Saul's son arose, and went to David into the wood, and strengthened his hand in God.

Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?