1 Tim 4:1 Now the Spirit speaketh expressly, that in the latter times some shall depart from the faith, giving heed to seducing spirits, and doctrines of devils
2 Thess 2:3 Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition
Matthew 24:10-11 And then shall many be offended, and shall betray one another, and shall hate one another. And many false prophets shall rise, and shall deceive many (see also Mark 13:5-6; 11-12, Luke 21:8; 16-17)