Luke 12:40

be ye therefore likewise prepar'd; for the son of man will come, when you least expect him.

Matthew 24:42

watch therefore, for ye know not at what hour your Lord shall come.

Matthew 24:44

therefore be ye also prepar'd: for the son of man may come at an hour you least expect.

Matthew 25:13

watch therefore, for ye know neither the day nor the hour.

Mark 13:33-36

be circumspect, be vigilant, and devout: because you are uncertain when that time will be.

Luke 21:34-36

set a guard upon yourselves, that ye be not stupified by surfeiting and drunkenness, or by the disquietudes of this life, and so that day come upon you with a surprize.

Romans 13:11

Consider likewise the present season, that now it is high time to rouse out of sleep: for now is our salvation nearer than when we first believed.

Romans 13:14

but imitate the Lord Jesus Christ, and by no means indulge any sensual desires.

1 Thessalonians 5:6

therefore let us not sleep away our time like others, but be vigilant and temperate.

2 Peter 3:12-14

expecting, and vehemently desiring the day of the Lord would come, when the heavens all on fire shall be dissolv'd, and the elements shall melt with intense heat.

Revelation 19:7

let us rejoyce, and triumph, and give honour to him: for the marriage of the lamb is come, and his spouse is already adorn'd.

Treasury of Scripture Knowledge

Summary

Be ye therefore ready also: for the Son of man cometh at an hour when ye think not.

Bible References

General references

Luke 21:34
set a guard upon yourselves, that ye be not stupified by surfeiting and drunkenness, or by the disquietudes of this life, and so that day come upon you with a surprize.
Matthew 24:42
watch therefore, for ye know not at what hour your Lord shall come.
Matthew 25:13
watch therefore, for ye know neither the day nor the hour.
Mark 13:33
be circumspect, be vigilant, and devout: because you are uncertain when that time will be.
Romans 13:11
Consider likewise the present season, that now it is high time to rouse out of sleep: for now is our salvation nearer than when we first believed.
1 Thessalonians 5:6
therefore let us not sleep away our time like others, but be vigilant and temperate.
2 Peter 3:12
expecting, and vehemently desiring the day of the Lord would come, when the heavens all on fire shall be dissolv'd, and the elements shall melt with intense heat.
Revelation 19:7
let us rejoyce, and triumph, and give honour to him: for the marriage of the lamb is come, and his spouse is already adorn'd.