 As the Christians oppose and overcome the foulness around them, so they oppose and drive out the falseness. All this they do through the Christ who is in them through word and sacrament. When we talk here on Sunday morning or in Bible studies or Sunday school or whatever, we've talked about this before. It is not for you just to get smarter. It's for you to be changed. It's for you to go out of this place and make an impact on the culture.