Matthew 24:42

Watch therefore; for ye know not what hour your Lord cometh.

Matthew 25:13

Watch therefore; for ye know not the day nor the hour.

Luke 21:36

Watch ye therefore and pray always, that ye may be counted worthy to escape all these things which will come to pass, and to stand before the Son of man.

Matthew 24:44

Therefore be ye also ready: for at an hour ye think not, the Son of man cometh.

1 Corinthians 16:13

Watch ye, stand fast in the faith, acquit yourselves like men; be strong.

1 Thessalonians 5:6

Therefore let us not sleep as the others, but let us awake and keep awake.

Matthew 24:36

But of that day and hour knoweth no man, neither the angels of heaven, but my Father only.

Revelation 16:15

(Behold I come as a thief. Happy is he that watcheth and keepeth his garments, lest he walk naked and they see his shame.)

Matthew 26:38-41

Then saith he to them, My soul is exceeding sorrowful even unto death: tarry ye here, and watch with me.

Mark 13:33-37

Take heed; watch and pray: for ye know not when the time is.

Luke 12:35-40

Let your loins be girt,

Romans 13:11

And do this, knowing the season, that it is high time now to awake out of sleep; for salvation is nearer to us now, then when we first believed.

1 Peter 4:7

But the end of all things is at hand; be ye therefore sober, and watch unto prayer.

1 Peter 5:8

for your adversary the devil, walketh about as a roaring lion, seeking whom he may devour:

Revelation 3:2-3

Be watchful, and strengthen the things which remain, which are ready to die; for I have not found thy works compleat 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 of that day and hour knoweth no man, neither the angels of heaven, but my Father only.
Mark 13:33
Take heed; watch and pray: for ye know not when the time is.

General references

Matthew 24:36
But of that day and hour knoweth no man, neither the angels of heaven, but my Father only.
Matthew 25:13
Watch therefore; for ye know not the day nor the hour.
Mark 13:33
Take heed; watch and pray: for ye know not when the time is.
Luke 12:40
Therefore be ye also ready; for the Son of man cometh in an hour when ye think not.