Matthew 24:42

Watch therefore, for you don't know in what hour your Lord comes.

Matthew 25:13

Watch therefore, for you don't know the day nor the hour in which the Son of Man is coming.

Luke 21:36

Therefore be watchful all the time, praying that you may be counted worthy to escape all these things that will happen, and to stand before the Son of Man."

Matthew 24:44

Therefore also be ready, for in an hour that you don't expect, the Son of Man will come.

1 Corinthians 16:13

Watch! Stand firm in the faith! Be courageous! Be strong!

1 Thessalonians 5:6

so then let's not sleep, as the rest do, but let's watch and be sober.

Matthew 24:36

But no one knows of that day and hour, not even the angels of heaven, but my Father only.

Revelation 16:15

"Behold, I come like a thief. Blessed is he who watches, and keeps his clothes, so that he doesn't walk naked, and they see his shame."

Matthew 26:38-41

Then he said to them, "My soul is exceedingly sorrowful, even to death. Stay here, and watch with me."

Mark 13:33-37

Watch, keep alert, and pray; for you don't know when the time is.

Luke 12:35-40

"Let your waist be dressed and your lamps burning.

Romans 13:11

Do this, knowing the time, that it is already time for you to awaken out of sleep, for salvation is now nearer to us than when we first believed.

1 Peter 4:7

But the end of all things is near. Therefore be of sound mind, self-controlled, and sober in prayer.

1 Peter 5:8

Be sober and self-controlled. Be watchful. Your adversary, the devil, walks around like a roaring lion, seeking whom he may devour.

Revelation 3:2-3

Wake up, and keep the things that remain, which you were about to throw away, for I have found no works of yours perfected before my God.

Treasury of Scripture Knowledge

Summary

Watch therefore: for ye know not what hour your Lord doth come.

Bible References

For

Matthew 24:36
But no one knows of that day and hour, not even the angels of heaven, but my Father only.
Mark 13:33
Watch, keep alert, and pray; for you don't know when the time is.

General references

Matthew 24:36
But no one knows of that day and hour, not even the angels of heaven, but my Father only.
Matthew 25:13
Watch therefore, for you don't know the day nor the hour in which the Son of Man is coming.
Mark 13:33
Watch, keep alert, and pray; for you don't know when the time is.
Luke 12:40
Therefore be ready also, for the Son of Man is coming in an hour that you don't expect him."