Matthew 24:44

Therefore, be ye also ready; for, in an hour that ye think not, the Son of Man is coming.

Luke 21:34

"But take heed to yourselves, lest at any time your hearts be weighed down with gluttony and drunkenness, and anxieties pertaining to life, and that day come upon you suddenly as a snare;

1 Thessalonians 5:3

When they are saying, "Peace and safety," then sudden destruction comes upon them, as travail upon a woman with child; and they shall in nowise 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 ready; for, in an hour that ye think not, the Son of Man is coming.
Luke 21:34
"But take heed to yourselves, lest at any time your hearts be weighed down with gluttony and drunkenness, and anxieties pertaining to life, and that day come upon you suddenly as a snare;
1 Thessalonians 5:3
When they are saying, "Peace and safety," then sudden destruction comes upon them, as travail upon a woman with child; and they shall in nowise escape.

General references

Matthew 24:39
and they knew not until the flood came, and took them all away; so will be the coming of the Son of Man.