John 1:17

For the Law was given through Moses; grace and truth came through Jesus Christ.

Romans 5:20-21

Moreover the law came in in addition, that the trespass might abound; but where sin abounded, grace abounded much more;

Romans 15:8-9

For I say that Christ became a minister to the circumcised for the sake of Gods truth, in order to make sure the promises given to the fathers;

Ephesians 1:7

in whom we have the redemption through his blood, the forgiveness of our trespasses, according to the riches of his grace,

Ephesians 2:4-7

but God, who is rich in mercy, on account of his great love wherewith he loved us, gave to us,

Treasury of Scripture Knowledge

Summary

But thou, O Lord, art a God full of compassion, and gracious, longsuffering, and plenteous in mercy and truth.

Bible References

But thou

Romans 5:20
Moreover the law came in in addition, that the trespass might abound; but where sin abounded, grace abounded much more;
Ephesians 1:7
in whom we have the redemption through his blood, the forgiveness of our trespasses, according to the riches of his grace,
Ephesians 2:4
but God, who is rich in mercy, on account of his great love wherewith he loved us, gave to us,