James 3:10

out of the same mouth cometh forth blessing and cursing. My brethren, these things ought not so to be.

Genesis 20:9

Then Abimelech called Abraham, and said unto him, What hast thou done unto us? And wherein have I sinned against thee, that thou hast brought on me and on my kingdom a great sin? Thou hast done deeds unto me that ought not to be done.

2 Samuel 13:12

And she answered him, Nay, my brother, do not force me; for no such thing ought to be done in Israel: do not thou this folly.

Psalm 50:16-20

But unto the wicked God saith, What hast thou to do to declare my statutes, And that thou hast taken my covenant in thy mouth,

Jeremiah 7:4-10

Trust ye not in lying words, saying, The temple of Jehovah, the temple of Jehovah, the temple of Jehovah, are these.

Micah 3:11

The heads thereof judge for reward, and the priests thereof teach for hire, and the prophets thereof divine for money: yet they lean upon Jehovah, and say, Is not Jehovah in the midst of us? no evil shall come upon us.

Romans 12:14

Bless them that persecute you; bless, and curse not.

1 Corinthians 3:3

for ye are yet carnal: for whereas there is among you jealousy and strife, are ye not carnal, and do ye not walk after the manner of men?

1 Timothy 5:13

And withal they learn also to be idle, going about from house to house; and not only idle, but tattlers also and busybodies, speaking things which they ought not.

1 Peter 3:9

not rendering evil for evil, or reviling for reviling; but contrariwise blessing; for hereunto were ye called, that ye should inherit a blessing.

Treasury of Scripture Knowledge

Summary

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

Bible References

Of

Psalm 50:16
But unto the wicked God saith, What hast thou to do to declare my statutes, And that thou hast taken my covenant in thy mouth,
Jeremiah 7:4
Trust ye not in lying words, saying, The temple of Jehovah, the temple of Jehovah, the temple of Jehovah, are these.
Micah 3:11
The heads thereof judge for reward, and the priests thereof teach for hire, and the prophets thereof divine for money: yet they lean upon Jehovah, and say, Is not Jehovah in the midst of us? no evil shall come upon us.
Romans 12:14
Bless them that persecute you; bless, and curse not.
1 Peter 3:9
not rendering evil for evil, or reviling for reviling; but contrariwise blessing; for hereunto were ye called, that ye should inherit a blessing.

These

Genesis 20:9
Then Abimelech called Abraham, and said unto him, What hast thou done unto us? And wherein have I sinned against thee, that thou hast brought on me and on my kingdom a great sin? Thou hast done deeds unto me that ought not to be done.
2 Samuel 13:12
And she answered him, Nay, my brother, do not force me; for no such thing ought to be done in Israel: do not thou this folly.
1 Corinthians 3:3
for ye are yet carnal: for whereas there is among you jealousy and strife, are ye not carnal, and do ye not walk after the manner of men?
1 Timothy 5:13
And withal they learn also to be idle, going about from house to house; and not only idle, but tattlers also and busybodies, speaking things which they ought not.

General references

Matthew 15:18
But the things which proceed out of the mouth come forth out of the heart; and they defile the man.
Romans 3:14
Whose mouth is full of cursing and bitterness:
Romans 12:14
Bless them that persecute you; bless, and curse not.

American Standard Version Public Domain