9. So it is with you also, for unless you utter with the tongue in plain speech, how will it be known what is said? For then you would be speaking into the air.
10. Consider that there are so many different kinds of languages in this world, and yet none is without a voice.
11. Therefore, if I do not understand the nature of the voice, then I shall be like a foreigner to the one with whom I am speaking; and he who is speaking will be like a foreigner to me.
12. So it is with you also. And since you are zealous for what is spiritual, seek the edification of the Church, so that you may abound.