Matthew 24:44

Therefore be ye also prepared: for in an hour that ye think not, the Son of man cometh.

Luke 21:34

But take heed to yourselves, lest at any time your hearts should be overloaded with surfeiting and drunkenness, and the anxious cares of life, and that day should come upon you unawares.

1 Thessalonians 5:3

For when they say, Peace and safety, then sudden destruction rusheth upon them, as travail on a woman with child, and they shall in no wise escape.

Treasury of Scripture Knowledge

Summary

And there came against Gibeah ten thousand chosen men out of all Israel, and the battle was sore: but they knew not that evil was near them.

General references

Bible References

Knew not

Matthew 24:44
Therefore be ye also prepared: for in an hour that ye think not, the Son of man cometh.
Luke 21:34
But take heed to yourselves, lest at any time your hearts should be overloaded with surfeiting and drunkenness, and the anxious cares of life, and that day should come upon you unawares.
1 Thessalonians 5:3
For when they say, Peace and safety, then sudden destruction rusheth upon them, as travail on a woman with child, and they shall in no wise escape.

General references

Matthew 24:39
and they knew it not till the deluge came, and swept them all away; such also shall the coming of the Son of man be.