The Apostle Paul
1 Corinthians 14:3BSB·traditional attribution

But he who prophesies speaks to men for their edification, encouragement, and comfort.

John Calvin Reformed @genevareformer

3. He that prophesieth, speaketh unto men “Prophecy,” says he, “is profitable to all, while a foreign language is a treasure hid in the earth. What great folly, then, it is to spend all one’s time in what is useless, and, on the other hand, to neglect what appears to be most useful!” To speak to edification, is to speak what contains doctrine fitted to edify.

Matthew Henry Presbyterian @wholebiblehenry

The apostle, in the foregoing chapter, had himself preferred, and advised the Corinthians to prefer, Christian charity to all spiritual gifts. Here he teaches them, among spiritual gifts, which they should prefer, and by what rules they should make comparison. He begins the chapter, I. With an exhortation to charity (Co1 14:1): Follow after charity, pursue it.

Commenting on 1 Corinthians 14:1-5

John Gill Reformed Baptist @doctorgill

But he that prophesieth,.... Preaches, prays, or sings, in a language understood by the common people: speaketh unto men to edification; to the building of them up in Christ, and on their most holy faith, so that they grow up as an holy temple to the Lord: and exhortation; to the more vigorous exercise of grace, and the more cheerful and fervent discharge of duty...