Romans 5:20

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

Romans 6:1

What shall we say then? Let us continue in sin, that grace may abound still more?

Matthew 9:13

But go ye and learn what this meaneth: "I desire mercy, and not sacrifice." For I came not to call righteous men, but sinners.

Luke 7:47

Wherefore, I say to thee, her many sins have been forgiven; for she loved much; but he to whom little is forgiven loveth little.

Luke 23:39-43

And one of the crucified malefactors railed at him, saying, Art thou not the Christ? save thyself and us.

John 10:10

The thief cometh not but to steal, and to kill, and to destroy; I came that they might have life, and have abundance.

John 15:22

If I had not come and spoken to them, they would not have sin; but now they have no excuse for their sin.

Romans 3:19-20

Now we know that whatever the Law saith, it saith to those who are under the Law; that every mouth may be stopped, and all the world become subject to condemnation before God.

Romans 4:15

For the Law is the cause of wrath; for where there is no law there is no transgression.

Romans 6:14

For sin shall not hold dominion over you; for ye are not under the Law, but under grace.

Romans 7:5-13

For when we were in the flesh, the affections of sins, which were through the Law, were working in our members to bear fruit unto death.

1 Corinthians 6:9-11

Know ye not, that wrongdoers shall not inherit the kingdom of God? Be not deceived; neither fornicators, nor idolaters, nor adulterers, nor the effeminate, nor abusers of themselves with mankind,

2 Corinthians 3:7-9

But if the ministration of death, engraven in letters on stones, was so glorious, that the children of Israel could not look steadfastly on the face of Moses by reason of the glory of his countenance, which glory was to be done away,

Galatians 3:19-25

To what end then was the Law? It was added because of transgressions, till the offspring should come to whom the promise belongeth, having been ordained through angels by the hand of a mediator.

Ephesians 1:6-8

to the praise of the glory of his grace, which he freely bestowed on us in the Beloved;

Ephesians 2:1-5

and you also [he raised up], who were dead through your trespasses and sins,

1 Timothy 1:13-16

though formerly I was a blasphemer, and a persecutor, and a doer of outrage; but I obtained mercy, because I did it ignorantly, in unbelief;

Titus 3:3-7

For we ourselves also were once foolish, disobedient, going astray, slaves to divers lusts and pleasures, living in malice and envy, hateful, hating one another.

Treasury of Scripture Knowledge

Summary

Moreover the law entered, that the offence might abound. But where sin abounded, grace did much more abound:

General references

Bible References

But

Romans 6:1
What shall we say then? Let us continue in sin, that grace may abound still more?
Matthew 9:13
But go ye and learn what this meaneth: "I desire mercy, and not sacrifice." For I came not to call righteous men, but sinners.
Luke 7:47
Wherefore, I say to thee, her many sins have been forgiven; for she loved much; but he to whom little is forgiven loveth little.
Luke 23:39
And one of the crucified malefactors railed at him, saying, Art thou not the Christ? save thyself and us.
John 10:10
The thief cometh not but to steal, and to kill, and to destroy; I came that they might have life, and have abundance.
1 Corinthians 6:9
Know ye not, that wrongdoers shall not inherit the kingdom of God? Be not deceived; neither fornicators, nor idolaters, nor adulterers, nor the effeminate, nor abusers of themselves with mankind,
Ephesians 1:6
to the praise of the glory of his grace, which he freely bestowed on us in the Beloved;
Ephesians 2:1
and you also [he raised up], who were dead through your trespasses and sins,
1 Timothy 1:13
though formerly I was a blasphemer, and a persecutor, and a doer of outrage; but I obtained mercy, because I did it ignorantly, in unbelief;
Titus 3:3
For we ourselves also were once foolish, disobedient, going astray, slaves to divers lusts and pleasures, living in malice and envy, hateful, hating one another.

General references

Matthew 19:30
But many who are first will be last, and the last first.
Luke 15:1
And all the publicans and the sinners were drawing near to him, to hear him.
John 4:30
They went out of the city, and came to him.