Revelation 3:3

remember therefore what thou hast received and heard: observe it and repent. if therefore thou art not vigilant, I will come upon thee as a thief, thou shalt not know what hour I will come upon thee.

Revelation 2:5

remember therefore from whence thou art fallen, and repent, and do the first works; or else I will come unto thee quickly, and will remove thy candlestick out of his place except thou repent.

2 Peter 3:10

As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.

1 Thessalonians 5:2

for you very well know, that the day of the Lord steals on like a thief in the night.

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 25:13

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

2 Timothy 1:13

Keep that form of sound doctrine you receiv'd from me, which consists in christian faith and charity:

Matthew 24:42-43

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

Mark 13:33

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

Mark 13:36

for fear by his sudden return he should surprize you sleeping.

Luke 12:39-40

if the master of a house knew at what hour the thief would come, no doubt he would be on his guard, and not suffer him to break into his house.

1 Thessalonians 5:4-6

but you, my brethren, are too well inform'd to be surpriz'd by that day, as by a thief.

1 Timothy 6:20

O Timothy, keep what is deposited in your care, avoiding the prophane empty declamations and objections of a spurious science, which some have profess'd,

Hebrews 2:1

Therefore we ought to give the greater attention to the things we have heard, for fear we should abandon the gospel.

2 Peter 1:13

whilst I am alive, I think it my duty to awaken you by my admonitions:

2 Peter 3:1

This is the second letter I now write to you, my brethren, by which I would awaken your sincere attention,

Revelation 2:21-22

I gave her space to repent of her fornication, but she repented not.

Revelation 2:25

hold that fast till I come.

Revelation 3:11

behold, I come quickly: hold that fast which you have, let no man take your crown.

Revelation 3:19

as many as I love, I rebuke and chastise: be warm therefore with zeal, and repent.

Treasury of Scripture Knowledge

Summary

Remember therefore how thou hast received and heard, and hold fast, and repent. If therefore thou shalt not watch, I will come on thee as a thief, and thou shalt not know what hour I will come upon thee.

Bible References

Remember

Revelation 2:5
remember therefore from whence thou art fallen, and repent, and do the first works; or else I will come unto thee quickly, and will remove thy candlestick out of his place except thou repent.
Hebrews 2:1
Therefore we ought to give the greater attention to the things we have heard, for fear we should abandon the gospel.
2 Peter 1:13
whilst I am alive, I think it my duty to awaken you by my admonitions:
2 Peter 3:1
This is the second letter I now write to you, my brethren, by which I would awaken your sincere attention,

And hold

Revelation 3:11
behold, I come quickly: hold that fast which you have, let no man take your crown.
Revelation 2:25
hold that fast till I come.
1 Timothy 6:20
O Timothy, keep what is deposited in your care, avoiding the prophane empty declamations and objections of a spurious science, which some have profess'd,
2 Timothy 1:13
Keep that form of sound doctrine you receiv'd from me, which consists in christian faith and charity:

I will

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.
Luke 12:39
if the master of a house knew at what hour the thief would come, no doubt he would be on his guard, and not suffer him to break into his house.
1 Thessalonians 5:2
for you very well know, that the day of the Lord steals on like a thief in the night.
2 Peter 3:10
As for that day of the Lord, it will advance like a thief: then the heavens will rush with violence, the boiling elements will be dissolved, and the earth with all its contents, shall be burnt away.

Know

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.

General references

Matthew 24:36
As to the day and hour, that no one knows, not even the angels of heaven, but the father only.
Luke 12:39
if the master of a house knew at what hour the thief would come, no doubt he would be on his guard, and not suffer him to break into his house.
1 Corinthians 11:31
for if we made such a discrimination, we should not be punished.