Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
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Numbers 14:18

‘Yahweh is slow to anger, and abundant in loving kindness, forgiving iniquity and disobedience; and he will by no means clear the guilty, visiting the iniquity of the fathers on the children, on the third and on the fourth generation.’

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