Romans 5:20-21

Then law slipped in, and multiplied the offense. But greatly as sin multiplied, God's mercy has far surpassed it,

Ephesians 1:7-8

It is through union with him and through his blood that we have been delivered and our offenses forgiven,

James 5:11

Why, we call those who showed such endurance happy! You have heard of the steadfastness of Job, and you have seen what the Lord brought out of it, for the Lord is very kind and merciful.

Treasury of Scripture Knowledge

Summary

The LORD is merciful and gracious, slow to anger, and plenteous in mercy.

Bible References

Merciful

Romans 5:20
Then law slipped in, and multiplied the offense. But greatly as sin multiplied, God's mercy has far surpassed it,
Ephesians 1:7
It is through union with him and through his blood that we have been delivered and our offenses forgiven,