1 Corinthians 14:22-24

21st Century King James Version

²² Therefore tongues are for a sign, not to those who believe, but to those who believe not; but prophesying serveth not those who believe not, but those who believe.

²³ If therefore the whole church come together into one place and all speak with tongues, and there come in those who are unlearned or unbelievers, will they not say that ye are mad?

²⁴ But if all prophesy, and there come in one that believeth not or is unlearned, he is convinced by all and is judged by all,