Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Proverbs 30:21

“For three things the earth trembles, and under four, it can’t bear up:

Parallel Translations

LXX2012View canonical →
By three things the earth is troubled, and the fourth it can’t bear:
Septuagint in American English (2012)
KJVView canonical →
For three things the earth is disquieted, and for four which it cannot bear:
King James Version