5 Bible Verses about Prayer Language

In the same way the Spirit also helps us in our weakness; for we do not know what prayers to offer nor in what way to offer them. But the Spirit Himself pleads for us in yearnings that can find no words,

For he who speaks in an unknown tongue is not speaking to men, but to God; for no one understands him. Yet in the Spirit he is speaking secret truths.

For if I pray in an unknown tongue, my spirit prays, but my understanding is barren. How then does the matter stand? I will pray in spirit, and I will pray with my understanding also. I will praise God in spirit, and I will praise Him with my understanding also.

Pray with unceasing prayer and entreaty on every fitting occasion in the Spirit, and be always on the alert to seize opportunities for doing so, with unwearied persistence and entreaty on behalf of all God's people,

But you, my dearly-loved friends, building yourselves up on the basis of your most holy faith and praying in the Holy Spirit,