2 Peter 3:14

Wherefore, beloved, since ye are looking for these things, give diligence that ye be found in peace, without spot and blameless in His sight.

1 Corinthians 15:58

Therefore, my beloved brethren, become steadfast, immovable, abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.

1 Thessalonians 3:13

to the end that He may establish your hearts unblamable in holiness before our God and Father, at the coming of our Lord Jesus with all His saints.

1 Thessalonians 5:23

And the God of peace Himself sanctify you wholly; and may your spirit and soul and body be preserved entire, without blame at the coming of our Lord Jesus Christ.

Philippians 1:10

so that ye may approve the things that are excellent; that ye may be pure and without offense to the day of Christ;

Matthew 24:26

If, therefore, they say to you, 'Behold, He is in the wilderness;' go not forth; 'Behold, He is in the secret chambers,' believe it not,

Luke 12:43

Happy that servant, whom his lord, when he comes, shall find so doing.

1 Corinthians 1:8

Who will also confirm you unto the end, unaccusable in the day of our Lord Jesus Christ.

Philippians 2:15

that ye may become blameless and harmless, children of God, irreproachable in the midst of a crooked and perverse generation, among whom ye appear as luminaries in the world,

Philippians 3:20

For our citizenship is in Heaven, whence also we are waiting for a Savior, the Lord Jesus Christ;

Hebrews 9:28

so also Christ, having once for all been offered to bear the sins of many, will, to those who are eagerly waiting for Him; appear a second time apart from sin, unto salvation.

James 1:27

A religion, pure and undefiled with our God and Father, is this: to visit orphans and widows in their tribulation, and to keep himself unspotted from the world.

2 Peter 1:5-10

and, even for this very reason, adding all diligence, in your faith supply virtue; and in virtue, knowledge;

1 John 3:3

And every one that has this hope on Him purifies himself, even as He is pure.

Treasury of Scripture Knowledge

Summary

Wherefore, beloved, seeing that ye look for such things, be diligent that ye may be found of him in peace, without spot, and blameless.

Be diligent

Bible References

Seeing

Philippians 3:20
For our citizenship is in Heaven, whence also we are waiting for a Savior, the Lord Jesus Christ;
Hebrews 9:28
so also Christ, having once for all been offered to bear the sins of many, will, to those who are eagerly waiting for Him; appear a second time apart from sin, unto salvation.

Be diligent

2 Peter 1:5
and, even for this very reason, adding all diligence, in your faith supply virtue; and in virtue, knowledge;
1 John 3:3
And every one that has this hope on Him purifies himself, even as He is pure.

In peace

Matthew 24:26
If, therefore, they say to you, 'Behold, He is in the wilderness;' go not forth; 'Behold, He is in the secret chambers,' believe it not,
Luke 12:43
Happy that servant, whom his lord, when he comes, shall find so doing.
1 Corinthians 1:8
Who will also confirm you unto the end, unaccusable in the day of our Lord Jesus Christ.
1 Corinthians 15:58
Therefore, my beloved brethren, become steadfast, immovable, abounding in the work of the Lord, knowing that your labor is not in vain in the Lord.
Philippians 1:10
so that ye may approve the things that are excellent; that ye may be pure and without offense to the day of Christ;
1 Thessalonians 3:13
to the end that He may establish your hearts unblamable in holiness before our God and Father, at the coming of our Lord Jesus with all His saints.
1 Thessalonians 5:23
And the God of peace Himself sanctify you wholly; and may your spirit and soul and body be preserved entire, without blame at the coming of our Lord Jesus Christ.

General references

Matthew 25:7
"Then all those virgins arose, and trimmed their lamps.
Luke 12:40
Be ye also ready; because at an hour ye think not the Son of Man cometh."
Hebrews 13:14
For we have not here an abiding city, but we are seeking for the one about to come.