Bible Verses about “false doctrine”

“¶ Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.”

“And no marvel; for Satan himself is transformed into an angel of light.”

“Therefore [it is] no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.”

“For such [are] false apostles, deceitful workers, transforming themselves into the apostles of Christ.”