calling someone an idiot

Job Chapter 11:12

For vain man would be wise, though man be born like a wild ass's colt.

Psalm Chapter 14:1

The fool hath said in his heart, There is no God. They are corrupt, they have done abominable works, there is none that doeth good.

Psalm Chapter 14:2

The LORD looked down from heaven upon the children of men, to see if there were any that did understand, and seek God.

Proverbs Chapter 11:12

He that is void of wisdom despiseth his neighbour: but a man of understanding holdeth his peace.

Proverbs Chapter 12:18

There is that speaketh like the piercings of a sword: but the tongue of the wise is health.

Proverbs Chapter 15:1

A soft answer turneth away wrath: but grievous words stir up anger.

Proverbs Chapter 17:28

Even a fool, when he holdeth his peace, is counted wise: and he that shutteth his lips is esteemed a man of understanding.

Proverbs Chapter 18:21

Death and life are in the power of the tongue: and they that love it shall eat the fruit thereof.

Proverbs Chapter 29:11

A fool uttereth all his mind: but a wise man keepeth it in till afterwards.

Matthew Chapter 5:21

Ye have heard that it was said by them of old time, Thou shalt not kill; and whosoever shall kill shall be in danger of the judgment:

Matthew Chapter 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.

Matthew Chapter 15:18

But those things which proceed out of the mouth come forth from the heart; and they defile the man.

Ephesians Chapter 4:29

Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

Colossians Chapter 3:8

But now ye also put off all these; anger, wrath, malice, blasphemy, filthy communication out of your mouth.

Titus Chapter 3:2

To speak evil of no man, to be no brawlers, but gentle, shewing all meekness unto all men.

James Chapter 1:26

If any man among you seem to be religious, and bridleth not his tongue, but deceiveth his own heart, this man's religion is vain.

James Chapter 3:9

Therewith bless we God, even the Father; and therewith curse we men, which are made after the similitude of God.

James Chapter 3:10

Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.

James Chapter 4:11

Speak not evil one of another, brethren. He that speaketh evil of his brother, and judgeth his brother, speaketh evil of the law, and judgeth the law: but if thou judge the law, thou art not a doer of the law, but a judge.

1 Peter Chapter 2:1

Wherefore laying aside all malice, and all guile, and hypocrisies, and envies, and all evil speakings,