1 Corinthians 14:1-6,26-33

1 Follow after love, and earnestly desire spiritual gifts, but especially that you may prophesy.  2 For he who speaks in another language speaks not to men, but to God; for no one understands; but in the Spirit he speaks mysteries.  3 But he who prophesies speaks to men for their edification, exhortation, and consolation.  4 He who speaks in another language edifies himself, but he who prophesies edifies the assembly.  5 Now I desire to have you all speak with other languages, but rather that you would prophesy. For he is greater who prophesies than he who speaks with other languages, unless he interprets, that the assembly may be built up.

6 But now, brothers, if I come to you speaking with other languages, what would I profit you, unless I speak to you either by way of revelation, or of knowledge, or of prophesying, or of teaching? 

26 What is it then, brothers? When you come together, each one of you has a psalm, has a teaching, has a revelation, has another language, has an interpretation. Let all things be done to build each other up.  27 If any man speaks in another language, let it be two, or at the most three, and in turn; and let one interpret.  28 But if there is no interpreter, let him keep silent in the assembly, and let him speak to himself, and to God.  29 Let the prophets speak, two or three, and let the others discern.  30 But if a revelation is made to another sitting by, let the first keep silent.  31 For you all can prophesy one by one, that all may learn, and all may be exhorted.  32 The spirits of the prophets are subject to the prophets,  33 for God is not a God of confusion, but of peace.  As in all the assemblies of the saints,