He that speaketh in an [unknown] tongue edifieth himself; but he that prophesieth edifieth the church.
Berean Study Bible (BSB) - 1 Corinthians 14:4 >The one who speaks in a tongue edifies himself, but the one who prophesies edifies the church.
Textus Receptus (TR) - 1 Corinthians 14:4 >Ὁ λαλῶν γλώσσῃ ἑαυτὸν οἰκοδομεῖ, ὁ δὲ προφητεύων ἐκκλησίαν οἰκοδομεῖ.