says, "The three stages of work are at the heart of God's entire management, and in them are expressed the disposition of God and what He is. Those who do not know of the three stages of God's work are incapable of realizing how God expresses His disposition, nor do they know the wisdom of God's work, and they remain ignorant of the many ways in which He saves mankind, and His will for the whole of mankind. The three stages of work are the full expression of the work of saving mankind. Those who do not know the three stages of work will be ignorant of the various methods and principles of the Holy Spirit's work; those who only rigidly stick to doctrine that remains from one stage of work are people who limit God to doctrine, and whose belief in God is vague and uncertain. Such people will never receive God’s ."