John Calvin Reformed @genevareformer

10. None of them dumb “That in this passage,” says Dr. Henderson, “φωνὴ, which properly signifies sound, then voice, must be taken in the sense of language or dialect, is evident: for it would not be true, that there are no sounds or voices in the world (ἄφωνων) without signification, according as these terms are usually understood.

Matthew Henry Presbyterian @wholebiblehenry

In this paragraph he goes on to show how vain a thing the ostentation of speaking unknown and unintelligible language must be. It was altogether unedifying and unprofitable (Co1 14:6): If I come to you speaking with tongues, what will it profit you, unless I speak to you by revelation, or by knowledge, or by prophesying, or by doctrine?

Commenting on 1 Corinthians 14:6-14

John Gill Reformed Baptist @doctorgill

There are, it may be, so many kinds of voices,.... "tongues", or "languages", as the Syriac version renders it; that is, as many as there are nations in the world; there may be seventy of them, as the Jews say there were at the confusion of languages at Babel; there may be more or less: and none of them is without signification: every language, and...