1 Corinthians 14:11 in the King James Version
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.
Context
10 There are, it may be, so many kinds of languages in the world, and none of them is without meaning.
11 If then I don’t know the meaning of the language, I would be to him who speaks a foreigner, and he who speaks would be a foreigner to me.
12 So also you, since you are zealous for spiritual gifts, seek that you may abound to the building up of the assembly.