Matthew 24:42

Wake, therefore, because ye know not what hour your master will come.

Matthew 25:13

Look that ye watch therefore, for ye know neither the day nor yet the hour, when the son of man shall come.

Luke 21:36

Watch therefore continually and pray, that ye may obtain grace to fly all this that shall come. And that ye may stand before the son of man."

Matthew 24:44

Therefore be ye also ready, for in the hour ye think least on, in the same ye think he would not: will the son of man come.

1 Corinthians 16:13

Watch ye, stand fast in the faith, quit you like men, and be strong.

1 Thessalonians 5:6

Therefore let us not sleep as do others: but let us watch and be sober.

Matthew 24:36

But of that day and hour knoweth no man: no not 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 be found naked, and men see his filthiness."

Matthew 26:38-41

Then said Jesus unto them, "My soul is heavy even unto the 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 girded about, and your lights burning,

Romans 13:11

This also we know, I mean the season: how that it is time that we should now awake out of sleep. For now is our salvation nearer than when we believed.

1 Peter 4:7

The end of all things is at hand. Be ye therefore discreet, and sober, that ye may be apt to prayers.

1 Peter 5:8

Be sober, and watch. For your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:

Revelation 3:2-3

Be awake, and strengthen the things which remain, that are ready to die. For I have not found thy works perfect before 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: no not 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: no not the angels of heaven, but my father only.
Matthew 25:13
Look that ye watch therefore, for ye know neither the day nor yet the hour, when the son of man shall come.
Mark 13:33
Take heed: watch, and pray, for ye know not when the time is:
Luke 12:40
Be ye prepared therefore, for the son of man will come at a hour when ye think not."