Revelation 3:2

Be watchful, and strengthen the remaining things, that were ready to die; for I have not found thy works perfect before my God.

Matthew 6:2-4

Therefore when thou doest alms, do not sound a trumpet before thee, as the hypocrites do in the synagogues and in the streets, that they may have glory of men. Truly do I say to you, They have received their reward.

Matthew 23:5

And all their works they do to be observed by men. They make broad their phylacteries, and enlarge their fringes,

Matthew 23:28-38

Even so ye also outwardly appear righteous to men, but within ye are full of hypocrisy and iniquity.

Matthew 24:42-51

Watch, therefore, for ye know not on what day your Lord is coming.

Matthew 25:13

Watch, therefore, for ye know not the day nor the hour.

Mark 13:33-37

Take heed, watch; for ye know not when the time is.

Luke 22:31-32

Simon, Simon, lo! Satan hath asked for you, that he may sift you as wheat.

Acts 18:23

And after he had spent some time there, he departed, going through the Galatian country and Phrygia in order, strengthening all the disciples.

Acts 20:28-31

Take heed therefore to yourselves, and to all the flock over which the Holy Spirit made you overseers, to feed the church of the Lord, which he purchased with his own blood.

2 Timothy 4:1-4

I charge thee before God, and Christ Jesus, who is to judge the living and the dead, and by his appearing and his kingdom;

1 Peter 4:7

But the end of all things is at hand; be ye therefore sober, and watch unto prayer.

1 Peter 5:8

Be sober, be watchful. Your adversary the Devil, as a roaring lion, walketh about, seeking whom he may devour;

Revelation 2:4

But I have this against thee, that thou hast left thy first love.

Revelation 16:15

Behold, I come as a thief; blessed is he that watcheth, and keepeth his garments, that he may not walk naked, and his shame be seen.

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 watcheth, and keepeth his garments, that he may not walk naked, and his shame be seen.
Matthew 24:42
Watch, therefore, for ye know not on what day your Lord is coming.
Matthew 25:13
Watch, therefore, for ye know not the day nor the hour.
Mark 13:33
Take heed, watch; for ye know not when the time is.
Acts 20:28
Take heed therefore to yourselves, and to all the flock over which the Holy Spirit made you overseers, to feed the church of the Lord, which he purchased with his own blood.
2 Timothy 4:1
I charge thee before God, and Christ Jesus, who is to judge the living and the dead, and by his appearing and his kingdom;
1 Peter 4:7
But the end of all things is at hand; be ye therefore sober, and watch unto prayer.
1 Peter 5:8
Be sober, be watchful. Your adversary the Devil, as a roaring lion, walketh about, seeking whom he may devour;

Strengthen

Revelation 2:4
But I have this against thee, that thou hast left thy first love.
Luke 22:31
Simon, Simon, lo! Satan hath asked for you, that he may sift you as wheat.
Acts 18:23
And after he had spent some time there, he departed, going through the Galatian country and Phrygia in order, strengthening all the disciples.

Thy works

Matthew 6:2
Therefore when thou doest alms, do not sound a trumpet before thee, as the hypocrites do in the synagogues and in the streets, that they may have glory of men. Truly do I say to you, They have received their reward.
Matthew 23:5
And all their works they do to be observed by men. They make broad their phylacteries, and enlarge their fringes,

General references

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