Job 31:30

²⁸ this would also be an iniquity to be judged, for I would have denied God on high.

²⁹ If I have rejoiced in my enemy’s ruin, or exulted when evil befell him—

I have not allowed my mouth to sin by asking for his life with a curse—

³¹ if the men of my house have not said, ‘Who is there who has not had his fill?’—

³² but no stranger had to lodge on the street, for my door has been open to the traveler—

Do read the surrounding verses too, because the context often says more than a single verse.

Compare

BSB: I have not allowed my mouth to sin by asking for his life with a curse—
KJV: Neither have I suffered my mouth to sin by wishing a curse to his soul.
WEB: (I have certainly not allowed my mouth to sin by asking his life with a curse);
ASV: (Yea, I have not suffered by mouth to sin By asking his life with a curse);
DARBY: (Neither have I suffered my mouth to sin by asking his life with a curse;)
BLB: though I had not given my mouth to sin by asking with a curse for his life—

ÅB: Nei, jeg tillot ikke min munn å synde ved å forbanne ham og ønske ham døden.
OTB: Nei, jeg har ikke tillatt min munn å synde
Ved å be om hans liv i en forbannelse.
B1930: Nei, jeg tillot ikke min munn å synde ved å forbanne ham og ønske ham døden.

1 Peter 3:9
Do not repay evil with evil or insult with insult, but with blessing, because to this you were called so that you may inherit a blessing.
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Romans 12:14
Bless those who persecute you. Bless and do not curse.
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Matthew 5:43–44
You have heard that it was said, ‘Love your neighbor’ and ‘Hate your enemy.’
Read in context
Matthew 5:22
But I tell you that anyone who is angry with his brother will be subject to judgment. Again, anyone who says to his brother, ‘Raca,’ will be subject to the Sanhedrin. But anyone who says, ‘You fool!’ will be subject to the fire of hell.
Read in context
James 3:9–10
With the tongue we bless our Lord and Father, and with it we curse men, who have been made in God’s likeness.
Read in context
Exodus 23:4–5
If you encounter your enemy’s stray ox or donkey, you must return it to him.
Read in context
1 Peter 2:22–23
“He committed no sin, and no deceit was found in His mouth.”
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James 3:6
The tongue also is a fire, a world of wickedness among the parts of the body. It pollutes the whole person, sets the course of his life on fire, and is itself set on fire by hell.
Read in context