Romans 5:20-21

Now the law made some entrance, that the offence might appear to abound; but where sin abounded, grace hath superabounded; that as sin had reigned in death,

Ephesians 1:7-8

in whom we have redemption through his blood, even the remission of sins, according to the riches of his grace;

James 5:11

Behold, we account those happy, that are patient. Ye have heard of the patience of Job, and have seen the end of the Lord, that the Lord is very compassionate 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
Now the law made some entrance, that the offence might appear to abound; but where sin abounded, grace hath superabounded; that as sin had reigned in death,
Ephesians 1:7
in whom we have redemption through his blood, even the remission of sins, according to the riches of his grace;