Ecclesiastes 7:22

for you also know that you too have cursed others many times.

1 Kings 2:44

The king also said to Shimei, “You are aware in your own heart of all the evil you did to my father David; so the Lord shall return your evil on your own head.

Matthew 15:19

For out of the heart come evil thoughts and plans, murders, adulteries, sexual immoralities, thefts, false testimonies, slanders (verbal abuse, irreverent speech, blaspheming).

Matthew 18:32-35

Then his master called him and said to him, ‘You wicked and contemptible slave, I forgave all that [great] debt of yours because you begged me.

John 8:7-9

However, when they persisted in questioning Him, He straightened up and said, “He who is without [any] sin among you, let him be the first to throw a stone at her.”

James 3:9

With it we bless our Lord and Father, and with it we curse men, who have been made in the likeness of God.

Treasury of Scripture Knowledge

Summary

For oftentimes also thine own heart knoweth that thou thyself likewise hast cursed others.

General references

Bible References

Also

1 Kings 2:44
The king also said to Shimei, “You are aware in your own heart of all the evil you did to my father David; so the Lord shall return your evil on your own head.
Matthew 15:19
For out of the heart come evil thoughts and plans, murders, adulteries, sexual immoralities, thefts, false testimonies, slanders (verbal abuse, irreverent speech, blaspheming).
Matthew 18:32
Then his master called him and said to him, ‘You wicked and contemptible slave, I forgave all that [great] debt of yours because you begged me.
John 8:7
However, when they persisted in questioning Him, He straightened up and said, “He who is without [any] sin among you, let him be the first to throw a stone at her.”
James 3:9
With it we bless our Lord and Father, and with it we curse men, who have been made in the likeness of God.

General references

1 Samuel 24:9
David said to Saul, “Why do you listen to the words of men who say, ‘David seeks to harm you?’