Matthew 7:13-15
Enter in through the strait gate: for wide is the gate, and spacious the road, which leadeth to perdition, and they are many who enter that way:
Romans 11:3
"Lord, they have killed thy prophets, and digged down thine altars; and I only am left, and they seek my life."
2 Timothy 4:3-4
For the time will come when they will not endure sound doctrine; but after their own inclinations will set up a herd of teachers for themselves, having the itch of hearing;
2 Peter 2:1-3
BUT there were false prophets among the people, as there will be false teachers also among you, who wickedly introduce damnable heresies, and deny the sovereign Lord who bought them, bringing on themselves swift destruction.