Let the Testimonies be judged by their fruits. What is the spirit of their teaching? What has been the result of their influence? All who desire to do so can acquaint themselves with the fruits of these visions. For seventeen years*Written in 1862. God has seen fit to let them survive and strengthen against the opposition of Satan's forces and the influence of human agencies that have aided Satan in his work. 2TT 286.1
God is either teaching His church, reproving their wrongs and strengthening their faith, or He is not. This work is of God, or it is not. God does nothing in partnership with Satan. My work ... bears the stamp of God or the stamp of the enemy. There is no halfway work in the matter. The Testimonies are of the Spirit of God, or of the devil. 2TT 286.2
As the Lord has manifested Himself through the spirit of prophecy, past, present, and future have passed before me. I have been shown faces that I had never seen, and years afterward I knew them when I saw them. I have been aroused from my sleep with a vivid sense of subjects previously presented to my mind; and I have written, at midnight, letters that have gone across the continent and, arriving at a crisis, have saved great disaster to the cause of God. This has been my work for many years. A power has impelled me to reprove and rebuke wrongs that I had not thought of. Is this work of the last thirty-six years*Written in 1882. from above or from beneath? 2TT 286.3
Christ warned His disciples: “Beware of false prophets, which come to you in sheep's clothing, but inwardly they are ravening wolves. Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles? Even so every good tree bringeth forth good fruit; but a corrupt tree bringeth forth evil fruit. A good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit. Every tree that bringeth not forth good fruit is hewn down, and cast into the fire. wherefore by their fruits ye shall know them.” Matthew 7:15-20. Here is a test, and all can apply it if they will. Those who really desire to know the truth will find sufficient evidence for belief. 2TT 287.1