2 Peter 3:9

The Lord does not delay concerning his promise, as some men count delay, but he is long-suffering toward us, not wishing that any should perish, but that all should come to repentance.

1 Timothy 2:4

who is willing that all men should be saved, and come to the knowledge of the truth.

Hebrews 10:37

For yet a very, very little while, and He that comes will come, and will not delay.

Revelation 2:21

And I have given her time to repent; and she will not repent of her lewdness.

Romans 2:4

Or, do you despise the riches of his goodness, and his forbearance, and his long suffering, not knowing that the goodness of God leads you to repentance?

Romans 9:22

What, then, if God, intending to show his wrath, and to make his power known, yet, in much long-suffering bore with the vessels of wrath fitted for destruction:

Luke 18:7-8

and will not God avenge his elect, who cry to him day and night, though he delay long in respect to them?

1 Timothy 1:16

But for this reason I obtained mercy, that in me first Jesus Christ might show all long-suffering, for an example to those who might afterward believe on him in order to life eternal.

1 Peter 3:20

who formerly were disobedient, when the long-suffering of God waited in the days of Noah, while an ark was preparing, in which few, that is, eight souls, were brought in safety through the water;

2 Peter 3:15

and count the long-suffering of our Lord, salvation, even as our beloved brother Paul, according to the wisdom given him, has written to you;

Treasury of Scripture Knowledge

Summary

The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.

General references

Bible References

Is not

Luke 18:7
and will not God avenge his elect, who cry to him day and night, though he delay long in respect to them?
Hebrews 10:37
For yet a very, very little while, and He that comes will come, and will not delay.

But is

2 Peter 3:15
and count the long-suffering of our Lord, salvation, even as our beloved brother Paul, according to the wisdom given him, has written to you;
Romans 9:22
What, then, if God, intending to show his wrath, and to make his power known, yet, in much long-suffering bore with the vessels of wrath fitted for destruction:
1 Timothy 1:16
But for this reason I obtained mercy, that in me first Jesus Christ might show all long-suffering, for an example to those who might afterward believe on him in order to life eternal.
1 Peter 3:20
who formerly were disobedient, when the long-suffering of God waited in the days of Noah, while an ark was preparing, in which few, that is, eight souls, were brought in safety through the water;

But that

Romans 2:4
Or, do you despise the riches of his goodness, and his forbearance, and his long suffering, not knowing that the goodness of God leads you to repentance?
1 Timothy 2:4
who is willing that all men should be saved, and come to the knowledge of the truth.
Revelation 2:21
And I have given her time to repent; and she will not repent of her lewdness.

General references

Luke 5:32
I have not come to call righteous men, but sinners, to repentance.