1 Corinthians 14:6-8

Amplified Bible, Classic Edition

⁶ Now, brethren, if I come to you speaking in [unknown] tongues, how shall I make it to your advantage unless I speak to you either in revelation (disclosure of God’s will to man) in knowledge or in prophecy or in instruction?

⁷ If even inanimate musical instruments, such as the flute or the harp, do not give distinct notes, how will anyone [listening] know or understand what is played?

⁸ And if the war bugle gives an uncertain (indistinct) call, who will prepare for battle?