For many centuries, visual art, music, literary arts, and drama were closely linked with the people of God. Consider that paintings and sculptures of biblical characters and events are featured in most art museums and play an essential role in art history. Some of the most famous pieces of music are religious, even directly quoting Scripture. Handel's Messiah is just one example. Authors from Mark Twain to William Blake to Flannery O'Connor have religious themes in their work. Many dramas, especially medieval plays, depict the lives of saints and biblical figures. Decades ago,...