Revelation 3:2

Be watchful, and strengthen the things that remain, which are about to die; for I have not found your works perfect before God.

Matthew 6:2-4

When, therefore, you do a charitable deed, do not cause a trumpet to be sounded before you, as the hypocrites do, in the synagogues and in the streets, that they may be glorified by men. Verily, I say to you, They have their reward.

Matthew 23:5

And they do all their works for the purpose of being seen by men. They make their amulets broad, and enlarge the fringes of their mantles.

Matthew 23:28-38

So also you outwardly appear to men to be just, but within you are full of hypocrisy and lawlessness.

Matthew 24:42-51

"Watch, therefore, for you know not at what hour your Lord is coming.

Matthew 25:13

Watch, therefore, for you know neither the day nor the hour.

Mark 13:33-37

Take heed, watch and pray: for you know not when the time is.

Luke 22:31-32

And the Lord said: Simon, Simon, behold, Satan has demanded you apostles for himself, that he may sift you as wheat.

Acts 18:23

And having spent some time there, he departed, and went through the region of Galatia and Phrygia in order, strengthening all the disciples.

Acts 20:28-31

Therefore, take heed to yourselves, and to all the flock over which the Holy Spirit has made you overseers, that you be shepherds to the church of God, which he has purchased with his own blood.

2 Timothy 4:1-4

I charge you, therefore, before God and the Lord Jesus Christ, who will judge the living and the dead at his appearing and his kingdom,

1 Peter 4:7

But the end of all things is at hand; be sober-minded, therefore, and watchful, that you may pray.

1 Peter 5:8

Be sober, be watchful: for your adversary, the devil, like a roaring lion, walks about, seeking whom he may devour.

Revelation 2:4

But I have this against you, that you have left your first love.

Revelation 16:15

Behold, I come as a thief: blessed is he that watches, and keeps his garments, that he may not walk naked, and that men may not see his nakedness.

Treasury of Scripture Knowledge

Summary

Be watchful, and strengthen the things which remain, that are ready to die: for I have not found thy works perfect before God.

Bible References

Watchful

Revelation 16:15
Behold, I come as a thief: blessed is he that watches, and keeps his garments, that he may not walk naked, and that men may not see his nakedness.
Matthew 24:42
"Watch, therefore, for you know not at what hour your Lord is coming.
Matthew 25:13
Watch, therefore, for you know neither the day nor the hour.
Mark 13:33
Take heed, watch and pray: for you know not when the time is.
Acts 20:28
Therefore, take heed to yourselves, and to all the flock over which the Holy Spirit has made you overseers, that you be shepherds to the church of God, which he has purchased with his own blood.
2 Timothy 4:1
I charge you, therefore, before God and the Lord Jesus Christ, who will judge the living and the dead at his appearing and his kingdom,
1 Peter 4:7
But the end of all things is at hand; be sober-minded, therefore, and watchful, that you may pray.
1 Peter 5:8
Be sober, be watchful: for your adversary, the devil, like a roaring lion, walks about, seeking whom he may devour.

Strengthen

Revelation 2:4
But I have this against you, that you have left your first love.
Luke 22:31
And the Lord said: Simon, Simon, behold, Satan has demanded you apostles for himself, that he may sift you as wheat.
Acts 18:23
And having spent some time there, he departed, and went through the region of Galatia and Phrygia in order, strengthening all the disciples.

Thy works

Matthew 6:2
When, therefore, you do a charitable deed, do not cause a trumpet to be sounded before you, as the hypocrites do, in the synagogues and in the streets, that they may be glorified by men. Verily, I say to you, They have their reward.
Matthew 23:5
And they do all their works for the purpose of being seen by men. They make their amulets broad, and enlarge the fringes of their mantles.

General references

Matthew 25:7
Then all those virgins arose, and trimmed their lamps.
Mark 13:33
Take heed, watch and pray: for you know not when the time is.
1 Corinthians 11:31
For if we would judge ourselves, we should not be judged;