For one who speaks in a tongue does not speak to human beings but to God, for no one listens; he utters mysteries in spirit. On the other hand, one who prophesies does speak to human beings, for their building up, encouragement, and solace. Whoever speaks in a tongue builds himself up, but whoever prophesies builds up the church. Now I should like all of you to speak in tongues, but even more to prophesy. One who prophesies is greater than one who speaks in tongues, unless he interprets, so...
1 Corinthians 14:2–39