Matthew 24:44

Therefore you must be ready too, for the Son of Man is coming at a time when you do not expect him.

Luke 21:34

But take care that your hearts are not loaded down with self-indulgence and drunkenness and worldly cares, and that day takes you by surprise, like a trap.

1 Thessalonians 5:3

When people say, "What peace and security!" then suddenly destruction will be upon them, like birth-pains upon a woman about to give birth to a child, and there will be no 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 must be ready too, for the Son of Man is coming at a time when you do not expect him.
Luke 21:34
But take care that your hearts are not loaded down with self-indulgence and drunkenness and worldly cares, and that day takes you by surprise, like a trap.
1 Thessalonians 5:3
When people say, "What peace and security!" then suddenly destruction will be upon them, like birth-pains upon a woman about to give birth to a child, and there will be no escape.

General references

Matthew 24:39
and knew nothing about it until the flood came and destroyed them all, so it will be at the coming of the Son of Man.