While sin and temptation are Satan’s tools against individual Christians, sinful theological liberalism has been his primary weapon against the Church as a whole for several hundred years. Influenced by philosophers such as Immanuel Kant, who “declared his age ‘an age of criticism’ and called readers to reject the authority of the Church and the Bible," Friedrich Daniel Ernst Schleiermacher (1768-1834) is known as the “father of modern theology” and, more specifically, the “father of modern liberal theology.”