Demons promote false doctrine
“But the Spirit saith expressly, that in later times some shall fall away from the faith, giving heed to seducing spirits and doctrines of demons, through the hypocrisy of men that speak lies, branded in their own conscience as with a hot iron; forbidding to marry, and commanding to abstain from meats, which God created to be received with thanksgiving by them that believe and know the truth” (1 Tim. 4:1–3, ASV). The expression “in later times” refers “to a period future to the speaker.… In the apostasy of the present the inspired Apostle sees the commencement of the fuller apostasy of the future.”56 Thus demonic doctrine has been increasing and will continue to increase in the church, reaching a climax at the end of the age. LIARS OF NEW MORALITY That this false system of teaching originates from demons is clear, but the text also says that it is promoted through men who speak lies . Comparing this passage with 1 John 2:19 and 4:3, it appears that demonic spirits directly emp