He will make false prophecies, yet he will do it by the spirit of prophecy; he will feel that he is a prophet and can prophesy, but he does it by another spirit and power than that which was given him of the Lord. He uses the gift as much as you and I use ours. 3:364.
Let a man or woman who has received much of the power of God, visions and revelations, turn away from the holy commandments of the Lord, and it seems that their senses are taken from them, their understanding and judgment in righteousness are taken away, they go into darkness, and become like a blind person who gropes by the wall. 2:301.
The person that forsakes the faith of our Lord Jesus Christ will find himself ruined for time and eternity. How are they looked upon who have received the Spirit of the Gospel and forsaken it? With a few exceptions, they are despised by the good and wise among men, by the noble and ignoble; all despise them, and they are in a most miserable condition. 7:146.
Whenever there is a disposition manifested in any of the members of this Church to question the right of the President of the whole Church to direct in all things, you see manifested evidences of apostasy—of a spirit which, if encouraged, will lead to a separation from the Church and to final destruction; wherever there is a disposition to operate against any legally appointed officer of this Kingdom, no matter in what capacity he is called to act, if persisted in, it will be followed by the same results; they will "walk after the flesh in the lust of uncleanness, and despise government. Presumptuous are they, self-willed; they are not afraid to speak evil of dignities." 11:136.
When a man begins to find fault, inquiring in regard to this, that, and the other, saying, "Does this or that look as though the Lord dictated it?" you may know that that person has more or less of the spirit of apostasy. Every man in this Kingdom, or upon the face of the earth, who is seeking with all his heart to save himself, has as much to do as he can conveniently attend to, without calling in question that which does not belong to him. If he succeeds in saving himself, it has well occupied his time and attention. See to it that you are right yourselves; see that sins and folly do not manifest themselves with the rising sun. I repeat that it is as much as any one can well do to take care of himself by: performing every duty that pertains to his temporal and eternal welfare. 8:12.
What is that which turns people away from this Church? Very trifling affairs are generally the commencement of their divergence from the right path. If we follow a compass, the needle of which does not point correctly, a very slight deviation in the beginning will lead us, when we have traveled some distance, far to one side of the true point for which we are aiming. 12:125.
When men lose the spirit of the work in which we are engaged, they become infidel in their feelings. They say that they do not know whether the Bible is true, whether the Book of Mormon is true, nor about new revelations, nor whether there is a God or not. When they lose the spirit of this work, they lose the knowledge of the things of God in time and in eternity; all is lost to them. 8:316.
Those who leave the Church are like a feather blown to and fro in the air. They know not whither they are going; they do not understand anything about their own existence; their faith, judgment and the operation of their minds are as unstable as the movements of the feather floating in the air. We have not anything to cling to, only faith in the Gospel. 15:136.
If the people would live their religion, there would be no apostasy and we would hear no complaining or faultfinding. If the people were hungry for the words of eternal life, and their whole souls even centered on the building up of the Kingdom of God, every heart and hand would be ready and willing and the work would move forward mightily and we would advance as we should do. 13:153.
Men begin to apostatize by taking to themselves strength, by hearkening to the whisperings of the enemy who leads them astray little by little, until they gather to themselves that which they call the wisdom of man; then they begin to depart from God, and their minds become confused. 18:231.