Revelation 3:2

be watchful, and fortify the rest that are ready to die: for I have not found thy works perfect before God.

Matthew 6:2-4

therefore, when you give alms, do not make a proclamation of it as the hypocrites do, in their publick assemblies by sound of trumpet, that they may have the applause of men. for I assure you, they have their reward.

Matthew 23:5

their phylacterys are broader, and the fringes of their garments are larger than those of others:

Matthew 23:28-38

just so ye put on an air of probity in the sight of men, but within are full of hypocrisy and iniquity.

Matthew 24:42-51

watch therefore, for ye know not at what hour your Lord shall come.

Matthew 25:13

watch therefore, for ye know neither the day nor the hour.

Mark 13:33-37

be circumspect, be vigilant, and devout: because you are uncertain when that time will be.

Luke 22:31-32

Then said Jesus, Simon, Simon, satan has demanded to shake you, and my disciples, like wheat in a sieve.

Acts 18:23

after he had stay'd there some time, he departed and pass'd through all Galatia and Phrygia, where he encourag'd the disciples.

Acts 20:28-31

be therefore upon your guard to secure your selves, and the whole flock over which the holy spirit has made you overseers, to feed the church of God, which he has purchased with his own blood.

2 Timothy 4:1-4

I conjure you in the name of God, and of the Lord Jesus Christ, who is to judge the living and the dead, at his appearance in his kingdom,

1 Peter 4:7

The consummation of all things draws nigh. be temperate, be vigilant in prayer.

1 Peter 5:8

Be temperate, be vigilant: for your adversary the Devil goes about like a roaring lion, seeking whom he may devour.

Revelation 2:4

nevertheless, I have somewhat against thee, because thou hast left thy first love.

Revelation 16:15

"I shall come with surprize, happy he that is upon the watch, and keepeth his garments pure, that his vices may not put him to shame."

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
"I shall come with surprize, happy he that is upon the watch, and keepeth his garments pure, that his vices may not put him to shame."
Matthew 24:42
watch therefore, for ye know not at what hour your Lord shall come.
Matthew 25:13
watch therefore, for ye know neither the day nor the hour.
Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.
Acts 20:28
be therefore upon your guard to secure your selves, and the whole flock over which the holy spirit has made you overseers, to feed the church of God, which he has purchased with his own blood.
2 Timothy 4:1
I conjure you in the name of God, and of the Lord Jesus Christ, who is to judge the living and the dead, at his appearance in his kingdom,
1 Peter 4:7
The consummation of all things draws nigh. be temperate, be vigilant in prayer.
1 Peter 5:8
Be temperate, be vigilant: for your adversary the Devil goes about like a roaring lion, seeking whom he may devour.

Strengthen

Revelation 2:4
nevertheless, I have somewhat against thee, because thou hast left thy first love.
Luke 22:31
Then said Jesus, Simon, Simon, satan has demanded to shake you, and my disciples, like wheat in a sieve.
Acts 18:23
after he had stay'd there some time, he departed and pass'd through all Galatia and Phrygia, where he encourag'd the disciples.

Thy works

Matthew 6:2
therefore, when you give alms, do not make a proclamation of it as the hypocrites do, in their publick assemblies by sound of trumpet, that they may have the applause of men. for I assure you, they have their reward.
Matthew 23:5
their phylacterys are broader, and the fringes of their garments are larger than those of others:

General references

Matthew 25:7
then the virgins all arose, and trimmed their lamps.
Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.
1 Corinthians 11:31
for if we made such a discrimination, we should not be punished.