Offences; Lies; Cults & deceitful leaders.

Offences
1Cor 9:18 What is my reward then? Verily that, when I preach the gospel, I may make the gospel of Christ without charge, that I abuse not my power in the gospel.

1 Corinthians 10:32 Give none offence, neither to the Jews, nor to the Gentiles, nor to the church of God:

Philippians 1:10 That ye may approve things that are excellent; that ye may be sincere and without offence till the day of Christ;
2 Corinthians 6:3 Giving no offence in any thing, that the ministry be not blamed:

Romans 16:17 Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.

Romans 14:20 For meat destroy not the work of God. All things indeed are pure; but it is evil for that man who eateth with offence
Acts 24:16. And herein do I exercise myself, to have always a conscience void of offence toward God, and toward men.

Luke 16:31 & 17:1 And he said unto him, If they hear not Moses and the prophets, neither will they be persuaded, though one rose from the dead.  Then said he unto the disciples, It is impossible but that offences will come: but woe unto him, through whom they come!
Matt 16:23 But he turned, and said unto Peter, Get thee behind me, Satan: thou art an offence unto me: for thou savourest not the things that be of God, but those that be of men.
Lies
Ps 40:4 Blessed is that man that maketh the LORD his trust, and respecteth not the proud, nor such as turn aside to lies.
James 3:14 But if ye have bitter envying and strife in your hearts, glory not, and lie not against the truth.
Proverbs 14:5 A faithful witness will not lie: but a false witness will utter lies.
Proverbs 14:25 A true witness delivereth souls: but a deceitful witness speaketh lies
Proverbs 19:5 A false witness shall not be unpunished, and he that speaketh lies shall not escape

Proverbs 19:9 A false witness shall not be unpunished, and he that speaketh lies shall perish.
Proverbs 29:12 If a ruler hearken to lies, all his servants are wicked

Cults &deceitful leaders

2 Timothy 3:5
Having a form of godliness, but denying the power thereof: from such turn away.

2 Cor 11:13-15
13. For such [are] false apostles, deceitful workers, transforming themselves into the apostles of Christ.
14. And no marvel; for Satan himself is transformed into an angel of light.
15. 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.