4937. But when one of another doctrine comes thither, and from that other doctrine thinks about those things which are being preached, the preacher is disturbed and is not able to preach; wherefore they either sit with averted face, or go away from the place. That this is so, the intelligent, and especially the wise, preachers, also know; for the affection is altogether changed according to the looking, or turning of the face to them.