5 Bible Verses about Prayer Language

And likewise also the Spirit helps our weakness; for we know not how to pray as we ought, but the Spirit itself makes entreaty for us with groanings which cannot be uttered.

For he that speaks in an unknown tongue speaks not unto men, but unto God, for no one understands him, even though by the Spirit he speaks mysteries.

For if I pray in an unknown tongue, my spirit prays, but my understanding is unfruitful. What is it then? I will pray with the spirit, and I will pray with the understanding also; I will sing with the spirit, and I will sing with the understanding also.

praying always with all prayer and supplication in the Spirit and watching in this with all perseverance and supplication for all the saints

But ye, beloved, building up yourselves upon your most holy faith, praying in the Holy Spirit,