James 3:10

From out of the same mouth pour forth blessings and cursings! My brothers, this ought not to be so.

Romans 12:14

Bless your persecutors, bless, and curse not.

1 Corinthians 3:3

You are not able even now, for you are still unspiritual. While there is among you jealousy and strife, are you not still unspiritual, and behaving like worldlings?

1 Timothy 5:13

Moreover, they learn to be idle, wandering about from house to house, and are not only idlers, but gossips also, and busybodies, repeating things they ought not.

1 Peter 3:9

not paying back evil for evil or abuse for abuse, but on the contrary giving a blessing. Because for this you have been called??o 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

Romans 12:14
Bless your persecutors, bless, and curse not.
1 Peter 3:9
not paying back evil for evil or abuse for abuse, but on the contrary giving a blessing. Because for this you have been called??o inherit a blessing.

These

1 Corinthians 3:3
You are not able even now, for you are still unspiritual. While there is among you jealousy and strife, are you not still unspiritual, and behaving like worldlings?
1 Timothy 5:13
Moreover, they learn to be idle, wandering about from house to house, and are not only idlers, but gossips also, and busybodies, repeating things they ought not.

General references

Matthew 15:18
while what comes out of the mouth comes from the heart??nd that is what defiles a man.
Romans 3:14
Their mouth is full of cursing and bitterness.
Romans 12:14
Bless your persecutors, bless, and curse not.