2 Peter 3:9

The Lord is not slow about keeping His promise, like some people are, but is [simply] being patient with you, since He does not want anyone to be destroyed, but He wants everyone to repent [i.e., change their hearts and lives].

1 Timothy 2:4

who wants all people to be saved and come to a [full] knowledge of the truth.

Hebrews 10:37

[Hab. 2:3-4 LXX says], "For [it will be] only a short time [before] He [i.e., Christ], who is coming, will be here without delay.

Revelation 2:21

And I gave her time to repent, but she refused to repent of her sexual immorality.

Romans 2:4

Or, do you despise the abundance of God's kindness and tolerance and patience [toward you], not realizing that His kindness is intended to cause you to repent? [i.e., to change your hearts and lives].

Romans 9:22

What if God [did] patiently put up with people who deserved His wrath and [who were] ready for destruction, even though He was willing to demonstrate His wrath and power?

Luke 18:7-8

So, will God not grant justice to His elect [i.e., His people] who call out to Him [i.e., in prayer] day and night? Will He be slow in helping them?

1 Timothy 1:16

However, even though I was the worst, I obtained mercy so that the patience of Jesus Christ could be shown toward the worst [of sinners] as an example for those people who would later believe in Him in order to [receive] never ending life.

1 Peter 3:20

These people had disobeyed [Noah's preaching, See II Pet. 2:5] back when God's patience waited [for them to repent, See Gen. 6:3], during the days of Noah, when the ship was being constructed. It was by that means [i.e., the ship floating them to safety through the Flood waters] that a few persons, eight of them, were saved [from destruction] through water.

2 Peter 3:15

And consider [that] the patience of the Lord means [further opportunities for] salvation, [just] as our dearly loved brother Paul also wrote to you, using the wisdom given to him by God.

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
So, will God not grant justice to His elect [i.e., His people] who call out to Him [i.e., in prayer] day and night? Will He be slow in helping them?
Hebrews 10:37
[Hab. 2:3-4 LXX says], "For [it will be] only a short time [before] He [i.e., Christ], who is coming, will be here without delay.

But is

2 Peter 3:15
And consider [that] the patience of the Lord means [further opportunities for] salvation, [just] as our dearly loved brother Paul also wrote to you, using the wisdom given to him by God.
Romans 9:22
What if God [did] patiently put up with people who deserved His wrath and [who were] ready for destruction, even though He was willing to demonstrate His wrath and power?
1 Timothy 1:16
However, even though I was the worst, I obtained mercy so that the patience of Jesus Christ could be shown toward the worst [of sinners] as an example for those people who would later believe in Him in order to [receive] never ending life.
1 Peter 3:20
These people had disobeyed [Noah's preaching, See II Pet. 2:5] back when God's patience waited [for them to repent, See Gen. 6:3], during the days of Noah, when the ship was being constructed. It was by that means [i.e., the ship floating them to safety through the Flood waters] that a few persons, eight of them, were saved [from destruction] through water.

But that

Romans 2:4
Or, do you despise the abundance of God's kindness and tolerance and patience [toward you], not realizing that His kindness is intended to cause you to repent? [i.e., to change your hearts and lives].
1 Timothy 2:4
who wants all people to be saved and come to a [full] knowledge of the truth.
Revelation 2:21
And I gave her time to repent, but she refused to repent of her sexual immorality.

General references

Luke 5:32
I did not come to call those who are doing right to repent [i.e., to change their hearts and lives], but [only those who are] sinners."