5 Bible Verses about Prayer Language

And the Spirit likewise helpeth our infirmities: for we know not what we should pray for, as we ought: but the Spirit itself intercedes for us with unutterable groans.

For he, that speaketh in an unknown tongue, speaketh not to men, but to God: for no one understandeth, though in spirit he speaketh mysteries.

For if I pray in an unknown tongue, my spirit indeed prayeth, but my meaning is fruitless. What is then to be done? I will pray with the Spirit, but I will pray to be understood: I will sing with the spirit, but I will sing to be understood.

praying at all seasons with all prayer and supplication in the Spirit, and watching thereunto with all perseverance, and intercession for all the saints;

But ye, beloved, edifying yourselves in your most holy faith, and praying in the holy Spirit, keep yourselves in the love of God,