Exodus 9:21
And he that regarded not the word of the Lord left his servants and his cattle in the field.
Cross-reference
Exodus 7:23
Parallel
Exodus 7:23 shows Pharaoh not taking the plague to heart — parallel to the servants who disregarded God's word in 9:21, both hardening their hearts.
Genesis 19:14
Parallel
Genesis 19:14 shows Lot's sons-in-law ignoring his warning about Sodom — a parallel to ignoring the plague warning.
Proverbs 22:3
Parallel
In Proverbs 22:3, the prudent hides from danger, mirroring those in Exodus who heeded the warning and brought their livestock in.
Proverbs 27:12
Parallel
In Proverbs 27:12, the prudent hides from danger, directly paralleling the wise response in Exodus to heed God's warning.