1 Corinthians 14:11, 1, 3-10, 2, 12-20
1 Corinthians 14:11 KJV
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.
1 Corinthians 14:1 KJV
Follow after charity, and desire spiritual gifts, but rather that ye may prophesy.
1 Corinthians 14:2 KJV
For he that speaketh in an unknown tongue speaketh not unto men, but unto God: for no man understandeth him; howbeit in the spirit he speaketh mysteries.