Bible Verses About Public Prayer

What then shall I do? I will pray with my spirit, but I will also pray with my mind. I will sing with my spirit, but I will also sing with my mind.

Otherwise, if you speak a blessing in spirit, how can someone who is uninstructed say “Amen” to your thanksgiving, since he does not know what you are saying?

Let us not neglect meeting together, as some have made a habit, but let us encourage one another, and all the more as you see the Day approaching.