Proverbs 6:15

"Therefore shall his calamity come suddenly; suddenly shall he be broken without remedy."

Cross References (ranked by relevance)

And shalt say unto them, Thus saith the LORD of hosts; Even so will I break this people and this city, as one breaketh a potter’s vessel, that cannot be made whole again: and they shall bury them in Tophet, till there be no place to bury.

2 Chronicles 36:16

But they mocked the messengers of God, and despised his words, and misused his prophets, until the wrath of the LORD arose against his people, till there was no remedy.

1 Thessalonians 5:3

For when they shall say, Peace and safety; then sudden destruction cometh upon them, as travail upon a woman with child; and they shall not escape.

Proverbs 1:27

When your fear cometh as desolation, and your destruction cometh as a whirlwind; when distress and anguish cometh upon you.

Proverbs 29:1

He, that being often reproved hardeneth his neck, shall suddenly be destroyed, and that without remedy.

Psalm 50:22

Now consider this, ye that forget God, lest I tear you in pieces, and there be none to deliver.