Luke 12:40

You also must be ready, because the Son of Man is coming at an hour that you do not think [he will come]."

Matthew 24:42

Therefore be on the alert, because you do not know what day your Lord is coming!

Matthew 24:44

For this [reason] you also must be ready, because the Son of Man is coming at an hour that you do not think [he will come].

Matthew 25:13

Therefore be on the alert, because you do not know the day or the hour!

Mark 13:33-36

Watch out! Be alert, because you do not know when the time is!

Luke 21:34-36

"But take care for yourselves, lest your hearts are weighed down with dissipation and drunkenness and the worries of daily life, and that day come upon you suddenly

Romans 13:11

And [do] this [because you] know the time, that [it is] already the hour for you to wake up from sleep. For our salvation [is] nearer now than when we believed.

Romans 13:14

But put on the Lord Jesus Christ and do not make provision for the desires of the flesh.

1 Thessalonians 5:6

So then, we must not sleep like the rest, but must be on the alert and be self-controlled.

2 Peter 3:12-14

[while] waiting for and hastening the coming of the day of God, because of which the heavens will be destroyed [by] being burned up and the celestial bodies will melt [as they] are consumed by heat!

Revelation 19:7

Let us rejoice and be glad and give him the glory, because the wedding celebration of the Lamb has come, and his bride has prepared herself.

Treasury of Scripture Knowledge

Summary

Be ye therefore ready also: for the Son of man cometh at an hour when ye think not.

Bible References

General references

Luke 21:34
"But take care for yourselves, lest your hearts are weighed down with dissipation and drunkenness and the worries of daily life, and that day come upon you suddenly
Matthew 24:42
Therefore be on the alert, because you do not know what day your Lord is coming!
Matthew 25:13
Therefore be on the alert, because you do not know the day or the hour!
Mark 13:33
Watch out! Be alert, because you do not know when the time is!
Romans 13:11
And [do] this [because you] know the time, that [it is] already the hour for you to wake up from sleep. For our salvation [is] nearer now than when we believed.
1 Thessalonians 5:6
So then, we must not sleep like the rest, but must be on the alert and be self-controlled.
2 Peter 3:12
[while] waiting for and hastening the coming of the day of God, because of which the heavens will be destroyed [by] being burned up and the celestial bodies will melt [as they] are consumed by heat!
Revelation 19:7
Let us rejoice and be glad and give him the glory, because the wedding celebration of the Lamb has come, and his bride has prepared herself.