3. But one who prophesies speaks to people for building up, urging on, and uplifting.
4. One who speaks in a tongue builds up himself, but one who prophesies builds up the community.
5. Now I want you all to speak in tongues, but even more that you would prophesy. One who prophesies is greater than one who speaks in tongues—unless he interprets, so that the community may be built up.
6. But now, brothers and sisters, if I come to you speaking in tongues, how will I benefit you—unless I speak to you by way of revelation or knowledge or prophecy or teaching?
7. It is the same for lifeless things that make a sound—like a flute or a harp. If they make no distinction in the tones, how will what is played be recognized?
8. For if the trumpet makes an unclear sound, who will prepare himself for battle?
9. So also with you with your tongue—unless you utter speech that is intelligible, how will what is spoken be understood? For you will be talking to the wind!