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!