Acts 20:30 Also of your own selves shall men arise, speaking perverse things, to draw away disciples after them.
Philippians 2:21 For all seek their own, not the things which are Jesus Christ's.
2 Corinthians 11:13-15 For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ. 14And no marvel; for Satan himself is transformed into an angel of light. 15Therefore it is no great thing if his ministers also be transformed as the ministers of righteousness; whose end shall be according to their works.
2 Corinthians 11:26 In journeyings often, in perils of waters, in perils of robbers, in perils by mine own countrymen, in perils by the heathen, in perils in the city, in perils in the wilderness, in perils in the sea, in perils among false brethren;
Galatians 2:4 And that because of false brethren unawares brought in, who came in privily to spy out our liberty which we have in Christ Jesus, that they might bring us into bondage:
2 Peter 2:1 But there were false prophets also among the people, even as there shall be false teachers among you, who privily shall bring in damnable heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.
1 John 4:1 Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
Many are in the pulpits for very wrong reasons.