Isaiah 47:11

And evil shall come upon you, you will not know; it will be on the lookout for her. And disaster shall fall upon you; you will not be able to {avert} it. And ruin shall come on you suddenly; you do not know.

1 Thessalonians 5:3

Whenever they say "Peace and security," then sudden destruction will overtake them like the birth pains of {a pregnant woman}, and they will not possibly escape.

Exodus 12:29-30

{And} in the middle of the night, Yahweh struck all of the firstborn in the land of Egypt, from the firstborn of Pharaoh sitting on his throne to the firstborn of the captive who [was] in the prison house and every firstborn of an animal.

Nehemiah 4:11

Then our enemies said, "They will not know nor see until we come upon them and will kill them and stop the work."

Psalm 50:22

Now consider this, you who forget God, lest I tear [you] apart, and there [will be] none to deliver.

Isaiah 37:36

And the angel of Yahweh set out and struck one hundred and eighty-five thousand in the camp of the Assyrians. When they rose in the morning, look! All of them [were] dead corpses.

Jeremiah 51:39-42

At their becoming hot I will set their banquets, and I will make them drunk, so that they will fall into a swoon, and they will sleep {an everlasting sleep}, and they will not wake up," {declares} Yahweh.

Daniel 5:25-30

"Now this was the writing that was inscribed: 'Mene, Mene, Tekel and Parsin.'

Matthew 18:34

And [because he] was angry, his master handed him over to the merciless jailers until he would repay everything that was owed.

Luke 12:59

I tell you, you will never get out of there until you have paid back even the last cent!"

Revelation 3:3

Therefore remember how you have received and heard, and observe [it], and repent. If therefore you are not on the alert, I will come like a thief, and you will never know [at] what hour I will come against you.

Revelation 18:9-10

And the kings of the earth will weep and mourn over her, those who committed sexual immorality and lived sensually with her, when they see the smoke of her burning,

Treasury of Scripture Knowledge

Summary

Therefore shall evil come upon thee; thou shalt not know from whence it riseth: and mischief shall fall upon thee; thou shalt not be able to put it off: and desolation shall come upon thee suddenly, which thou shalt not know.

General references

Bible References

Thou shalt not know

Isaiah 37:36
And the angel of Yahweh set out and struck one hundred and eighty-five thousand in the camp of the Assyrians. When they rose in the morning, look! All of them [were] dead corpses.
Exodus 12:29
{And} in the middle of the night, Yahweh struck all of the firstborn in the land of Egypt, from the firstborn of Pharaoh sitting on his throne to the firstborn of the captive who [was] in the prison house and every firstborn of an animal.
Nehemiah 4:11
Then our enemies said, "They will not know nor see until we come upon them and will kill them and stop the work."
Revelation 3:3
Therefore remember how you have received and heard, and observe [it], and repent. If therefore you are not on the alert, I will come like a thief, and you will never know [at] what hour I will come against you.

Thou shalt not be

Psalm 50:22
Now consider this, you who forget God, lest I tear [you] apart, and there [will be] none to deliver.
Jeremiah 51:39
At their becoming hot I will set their banquets, and I will make them drunk, so that they will fall into a swoon, and they will sleep {an everlasting sleep}, and they will not wake up," {declares} Yahweh.
Daniel 5:25
"Now this was the writing that was inscribed: 'Mene, Mene, Tekel and Parsin.'
1 Thessalonians 5:3
Whenever they say "Peace and security," then sudden destruction will overtake them like the birth pains of {a pregnant woman}, and they will not possibly escape.
Revelation 18:9
And the kings of the earth will weep and mourn over her, those who committed sexual immorality and lived sensually with her, when they see the smoke of her burning,

Put it off

Matthew 18:34
And [because he] was angry, his master handed him over to the merciless jailers until he would repay everything that was owed.
Luke 12:59
I tell you, you will never get out of there until you have paid back even the last cent!"

General references

Isaiah 13:15
Everyone who is found will be pierced through, and everyone who is carried away will fall by the sword.