Wherefore let him that speaketh in an [unknown] tongue pray that he may interpret.
Berean Study Bible (BSB) - 1 Corinthians 14:13 >Therefore, the one who speaks in a tongue should pray that he may interpret.
Textus Receptus (TR) - 1 Corinthians 14:13 >Διόπερ ὁ λαλῶν γλώσσῃ προσευχέσθω ἵνα διερμηνεύῃ.