So likewise you, except you utter by the tongue words easy to be understood, how shall it be known what is spoken? for you shall speak into the air.
All Commentaries on 1 Corinthians 14:9 Go To 1 Corinthians 14
Clement Of Alexandria
AD 215
Therefore if I know not the meaning of the voice, I shall be unto him that speaketh a barbarian, and he that speaketh shall be a barbarian unto me. "And, "Let him that speaketh in an unknown tongue pray that he may interpret."