Matthew 24:44

Therefore you also must be ready, for the Son of Man is coming at an hour you do not expect.

Luke 21:34

"But take heed to yourselves, lest your hearts be weighed down with dissipation and drunkenness and cares of this life, and that Day come on you unexpectedly like a trap.

1 Thessalonians 5:3

While people are saying, "Peace and safety," then destruction will come upon them suddenly as labor pains upon a woman with child, and they will not 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 you also must be ready, for the Son of Man is coming at an hour you do not expect.
Luke 21:34
"But take heed to yourselves, lest your hearts be weighed down with dissipation and drunkenness and cares of this life, and that Day come on you unexpectedly like a trap.
1 Thessalonians 5:3
While people are saying, "Peace and safety," then destruction will come upon them suddenly as labor pains upon a woman with child, and they will not escape.

General references

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