Matthew 24:44

For this reason, be you also ready; for at an hour in which you think not, the Son of man comes.

Luke 21:34

And take heed to yourselves, lest your hearts become heavy with reveling and drunkenness and the cares of life, and that day come upon you when you look not for it.

1 Thessalonians 5:3

for when they shall say, Peace and safety, then sudden destruction comes upon them, as the pains of birth upon a woman with child, and they shall 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
For this reason, be you also ready; for at an hour in which you think not, the Son of man comes.
Luke 21:34
And take heed to yourselves, lest your hearts become heavy with reveling and drunkenness and the cares of life, and that day come upon you when you look not for it.
1 Thessalonians 5:3
for when they shall say, Peace and safety, then sudden destruction comes upon them, as the pains of birth upon a woman with child, and they shall not escape.

General references

Matthew 24:39
and knew not, till the flood came and took them all away: so shall be the coming of the Son of man.