King James Version (KJV) - 1 Corinthians 14:13 >

Wherefore let him that speaketh in an [unknown] tongue pray that he may interpret.

Textus Receptus (TR) - 1 Corinthians 14:13 >

Διόπερ ὁ λαλῶν γλώσσῃ προσευχέσθω ἵνα διερμηνεύῃ.