Matthew 5:22. But I say unto you, That whosoever is angry with his brother without a cause shall be in danger of the judgment: and whosoever shall say to his brother, Raca, shall be in danger of the council: but whosoever shall say, Thou fool, shall be in danger of hell fire.
Romans 13:4. For he is the minister of God to thee for good. But if thou do that which is evil, be afraid; for he beareth not the sword in vain: for he is the minister of God, a revenger to execute wrath upon him that doeth evil.
1 Corinthians 15:2. By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain.
Galatians 3:4. Have ye suffered so many things in vain? if it be yet in vain.
Galatians 4:11. I am afraid of you, lest I have bestowed upon you labour in vain.
Colossians 2:18. Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind,