False Teachers in 1 Timothy 4

'The Spirit says clearly that some people will abandon the faith in later times; they will obey lying spirits and follow the teachings of demons. Such teachings are spread by deceitful liars, whose consciences are dead, as if burnt with a hot iron. Such people teach that it is wrong to marry and to eat certain foods. But God created those foods to be eaten, after a prayer of thanks, by those who are believers and have come to know the truth. Everything that God has created is good; nothing is to be rejected, but everything is to be received with a prayer of thanks, because the word of God and the prayer make it acceptable to God. '

1 Timothy 4:1-5

https://www2.bible.com/bible/69/1TI.4.1-5