Billy Graham said this quote

Our dress, our posture, our actions should all be for the honor and glory of Christ. Much of our talk as Christians is secular, not spiritual. It is easy to fall into the conversational conformity of the world and spend an evening discussing politics, new cars, and the latest entertainment. We often forget that we are to edify one another with holy conversation and that our conversation should be on heavenly, and not exclusively on earthly things.