Romans 5:20

Now Law was brought in later on, so that transgression might increase. But where sin increased, grace has overflowed;

Romans 6:1

To what conclusion, then, shall we come? Are we to persist in sinning in order that the grace extended to us may be the greater?

Matthew 9:13

But go and learn what this means, 'It is mercy that I desire, not sacrifice'; for I did not come to appeal to the righteous, but to sinners."

Luke 7:47

This is the reason why I tell you that her sins, her many sins, are forgiven--because she has loved much; but he who is forgiven little, loves little."

Luke 23:39-43

Now one of the criminals who had been crucified insulted Him, saying, "Are not you the Christ? Save yourself and us."

John 10:10

The thief comes only to steal and kill and destroy: I have come that they may have Life, and may have it in abundance.

John 15:22

"If I had not come and spoken to them, they would have had no sin; but as the case stands they are without excuse for their sin.

Romans 3:19-20

But it cannot be denied that all that the Law says is addressed to those who are living under the Law, in order that every mouth may be stopped, and that the whole world may await sentence from God.

Romans 4:15

For the Law inflicts punishment; but where no Law exists, there can be no violation of Law.

Romans 6:14

For Sin shall not be lord over you, since you are subjects not of Law, but of grace.

Romans 7:5-13

For whilst we were under the thraldom of our earthly natures, sinful passions-- made sinful by the Law--were always being aroused to action in our bodily faculties that they might yield fruit to death.

1 Corinthians 6:9-11

Do you not know that unrighteous men will not inherit God's Kingdom? Cherish no delusion here. Neither fornicators, nor idolaters, nor adulterers, nor any who are guilty of unnatural crime,

2 Corinthians 3:7-9

If, however, the service that proclaims death--its code being engraved in writing upon stones--came with glory, so that the children of Israel could not look steadily on the face of Moses because of the brightness of his face--a vanishing brightness;

Galatians 3:19-25

Why then was the Law given? It was imposed later on for the sake of defining sin, until the seed should come to whom God had made the promise; and its details were laid down by a mediator with the help of angels.

Ephesians 1:6-8

to the praise of the splendour of His grace with which He has enriched us in the beloved One.

Ephesians 2:1-5

To you Gentiles also, who were dead through your offences and sins,

1 Timothy 1:13-16

though I was previously a blasphemer and a persecutor and had been insolent in outrage. Yet mercy was shown me, because I had acted ignorantly, not having as yet believed;

Titus 3:3-7

For there was a time when we also were deficient in understanding, obstinate, deluded, the slaves of various cravings and pleasures, spending our lives in malice and envy, hateful ourselves and 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
To what conclusion, then, shall we come? Are we to persist in sinning in order that the grace extended to us may be the greater?
Matthew 9:13
But go and learn what this means, 'It is mercy that I desire, not sacrifice'; for I did not come to appeal to the righteous, but to sinners."
Luke 7:47
This is the reason why I tell you that her sins, her many sins, are forgiven--because she has loved much; but he who is forgiven little, loves little."
Luke 23:39
Now one of the criminals who had been crucified insulted Him, saying, "Are not you the Christ? Save yourself and us."
John 10:10
The thief comes only to steal and kill and destroy: I have come that they may have Life, and may have it in abundance.
1 Corinthians 6:9
Do you not know that unrighteous men will not inherit God's Kingdom? Cherish no delusion here. Neither fornicators, nor idolaters, nor adulterers, nor any who are guilty of unnatural crime,
Ephesians 1:6
to the praise of the splendour of His grace with which He has enriched us in the beloved One.
Ephesians 2:1
To you Gentiles also, who were dead through your offences and sins,
1 Timothy 1:13
though I was previously a blasphemer and a persecutor and had been insolent in outrage. Yet mercy was shown me, because I had acted ignorantly, not having as yet believed;
Titus 3:3
For there was a time when we also were deficient in understanding, obstinate, deluded, the slaves of various cravings and pleasures, spending our lives in malice and envy, hateful ourselves and hating one another.

General references

Matthew 19:30
"But many who are now first will be last, and many who are now last will be first.
Luke 15:1
Now the tax-gatherers and the notorious sinners were everywhere in the habit of coming close to Him to listen to Him;
John 4:30
They left the town and set out to go to Him.