Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Prayer of Manasseh 1:6

Your merciful promise is unmeasurable and unsearchable,

Parallel Translations

LXXView canonical →
the mercy of thy promise is both immeasurable and inscrutable;
Brenton's Septuagint Translation
LXX2012View canonical →
the mercy of your promise is both immeasurable and inscrutable;
Septuagint in American English (2012)