At this point Jesus reveals to his disciples the possibility of a demonic faith which produces wonderful works quite indistinguishable from the works of the true disciples, works of charity, miracles, perhaps even of personal sanctification, but which is nevertheless a denial of Jesus and of the life of discipleship. This is just what St Paul means in I Cor. 13, when he says that it is possible to preach, to prophesy, to have all knowledge, and even faith so as to remove mountains, and all this without love, that is to say, without Christ, without the Holy Spirit. More than this, St Paul must
...more