Caviling, ridicule, and misrepresentation can be indulged in only at the expense of the debasement of your own souls. The use of such weapons does not gain precious victories for you, but rather cheapens the mind and separates the soul from God. Sacred things are brought down to the level of the common, and a condition of things is created that pleases the prince of darkness and grieves away the Spirit of God. Caviling and criticism leave the soul as devoid of the dew of grace as the hills of Gilboa were destitute of rain. Confidence cannot be placed in the judgment of those who indulge in ridicule and misrepresentation. No weight can be attached to their advice or resolutions. You must bear the divine credentials before you make decided movements to shape the working of God's cause. TM 466.1
To accuse and criticize those whom God is using is to accuse and criticize the Lord who has sent them. All need to cultivate their religious faculties, that they may have a right discernment of religious things. Some have failed to distinguish between pure gold and mere glitter, between the substance and the shadow. TM 466.2
The prejudices and opinions that prevailed at Minneapolis [See Appendix.] are not dead by any means; the seeds sown there in some hearts are ready to spring into life and bear a like harvest. The tops have been cut down, but the roots have never been eradicated, and they still bear their unholy fruit to poison the judgment, pervert the perceptions, and blind the understanding of those with whom you connect, in regard to the message and the messengers. When, by thorough confession, you destroy the root of bitterness, you will see light in God's light. Without this thorough work you will never clear your souls. You need to study the word of God with a purpose, not to confirm your own ideas, but to bring them to be trimmed, to be condemned or approved as they are or are not in harmony with the word of God. The Bible should be your constant companion. You should study the testimonies, not to pick out certain sentences to use as you see fit, to strengthen your assertions, while you disregard the plainest statements given to correct your course of action. TM 467.1