Matthew 24:42

Watch therefore, for you do not know on what day your Lord comes.

Matthew 25:13

Watch therefore, for you do not know the day nor the hour.

Luke 21:36

Therefore be watchful all the time, praying that you may be able 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 do not 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 us not sleep, as the rest do, but let us watch and be sober.

Matthew 24:36

But no one knows of that day and hour, not even the angels of heaven, nor the Son, 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 does not 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; for you do not know when the time is.

Luke 12:35-40

"Let your waist be girded 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 were about to die, 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, nor the Son, but my Father only.
Mark 13:33
Watch, keep alert; for you do not 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, nor the Son, but my Father only.
Matthew 25:13
Watch therefore, for you do not know the day nor the hour.
Mark 13:33
Watch, keep alert; for you do not know when the time is.
Luke 12:40
Therefore be ready also, for the Son of Man is coming in an hour that you do not expect him."