[20] 1CO 14:6 Now, brethren, if I come undo you speaking with tongues, what shall I profit you, except I shall speak to you either by revelation, or by knowledge, of by prophesying, or by doctrine? 9 So likewise ye, except ye utter by the tongue words easy to be understood, how shall it be known what is spoken? for ye shall speak into the air. 11 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. 12 Even so ye, forasmuch as ye are zealous of spiritual gifts, seek that ye may excel to the edifying of the church. 24 But if all prophesy, and there come in one that believeth not, or one unlearned, he is convinced of all, he is judged of all: 27 If any man speak in an unknown tongue, let it be by two, or at the most three, and that by course; and let one interpret. 28 But if there be no interpreter, let him keep silence in the church; and let him speak to himself, and to God.