Matthew 24:42

Therefore watch; for you do not know what hour your Lord comes.

Matthew 25:13

Therefore watch, for you do not know either the day or the hour in which the Son of Man comes.

Luke 21:36

Watch therefore, praying in every season that you may be counted worthy to escape all these things which shall occur, and to stand before the Son of Man.

Matthew 24:44

Therefore you also be ready, for in that hour you think not, the Son of Man comes.

1 Corinthians 16:13

Watch! Stand fast in the faith! Be men! Be strong!

1 Thessalonians 5:6

Therefore let us not sleep as the rest do, but let us watch and be calm.

Matthew 24:36

But of that day and hour no one knows, no, not the angels of Heaven, but only My Father.

Revelation 16:15

Behold, I am coming as a thief. Blessed is the one who watches and keeps his garments, lest he walk naked and they see his shame.

Matthew 26:38-41

Then He said to them, My soul is exceedingly sorrowful, even to death. Wait here and watch with Me.

Mark 13:33-37

Take heed, watch and pray, for you do not know when the time is.

Luke 12:35-40

Let your loins be girded about, and your lights burning.

Romans 13:11

This also, knowing the time, that it is already time to awake out of sleep; for now our salvation is nearer than when we believed.

1 Peter 4:7

But the end of all things has drawn near. Therefore be of sound mind, and be sensible to prayers.

1 Peter 5:8

Be sensible and vigilant, because your adversary the Devil walks about like a roaring lion, seeking someone he may devour;

Revelation 3:2-3

Be watchful and strengthen the things which remain, that are ready to die. For I have not found your works being fulfilled 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 no one knows, no, not the angels of Heaven, but only My Father.
Mark 13:33
Take heed, watch and pray, for you do not know when the time is.

General references

Matthew 24:36
But of that day and hour no one knows, no, not the angels of Heaven, but only My Father.
Matthew 25:13
Therefore watch, for you do not know either the day or the hour in which the Son of Man comes.
Mark 13:33
Take heed, watch and pray, for you do not know when the time is.
Luke 12:40
Therefore be ready also, for the Son of Man comes at an hour when you think not.