1 Corinthians 14:22
“Wherefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them which believe.”
Brethren, be not children in understanding: howbeit in malice be ye children, but in understanding be men.
In the law it is written, With men of other tongues and other lips will I speak unto this people; and yet for all that will they not hear me, saith the Lord.
Wherefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them which believe.
If therefore the whole church be come together into one place, and all speak with tongues, and there come in those that are unlearned, or unbelievers, will they not say that ye are mad?
But if all prophesy, and there come in one that believeth not, or one unlearned, he is convinced of all, he is judged of all:
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“He that speaketh in an unknown tongue edifieth himself; but he that prophesieth edifieth the church.”
“And these signs shall follow them that believe; In my name shall they cast out devils; they shall speak with new tongues;”
“Now when this was noised abroad, the multitude came together, and were confounded, because that every man heard them speak in his own language.”
“Despise not prophesyings.”
“Knowing this, that the law is not made for a righteous man, but for the lawless and disobedient, for the ungodly and for sinners, for unholy and profane, for murderers of fathers and murderers of mothers, for manslayers,”