tell somebody about Christ.” That’s not entirely false. There is a sense in which evangelism is a form of witnessing. But it’s not the only form. The purpose of witnessing is to make something manifest that is hidden. Calvin said that it is the task of the church to make the invisible kingdom visible. We do that, first of all, by the proclamation of the gospel—by evangelism. But we also do it by modeling the kingdom of God, by demonstrating justice in the world, by demonstrating mercy in the world,