Matthew Poole and continuators on Genesis 20:9

9 Then Abimelech called Abraham and said unto him, what hast thou done unto us ? and what have I offended thee, that thou hast brought on me, and on my Kingdom a great sin ? thou hast done deeds unto me that ought not to be done.

How great a danger hast thou exposed us to?

Even the Heathens who thought Fornication harmless, judge Adultery to be a very great and hainous crime. See Gen. 38. 24. Levit. 20. 10. Deut. 22. 22. Ezek. 16. 38, and 23. 45, 47. Or, A great punishment, as this word is oft used; which seems better to answer to his offending Abraham now mentioned.

Marginal references: Chap. 26. 10.