But historically, true and vibrant Christianity has cut across the grain of conventional wisdom. And nowhere is that more clearly enunciated than in Jesus’ masterful Sermon on the Mount—a sermon in which He turned the human wisdom of the religious elite on its head. In The Keys to the Kingdom, John MacArthur explores Luke’s account of the Sermon on the Mount, revealing how the gospel of the Bible and true belief compares to widely held, widely taught error.