1 Corinthians 14:29-32

ASV(i) 29 And let the prophets speak [by] two or three, and let the others discern. 30 But if a revelation be made to another sitting by, let the first keep silence. 31 For ye all can prophesy one by one, that all may learn, and all may be exhorted; 32 and the spirits of the prophets are subject to the prophets;