[20:16] 1 sn A thousand pieces [Heb “shekels”] of silver. The standards for weighing money varied considerably in the ancient Near East, but the generally accepted weight for the shekel is 11.5 grams (0.4 ounce). This makes the weight of silver here 11.5 kilograms, or 400 ounces (about 25 pounds).
[20:16] 2 sn To your ‘brother.’ Note the way that the king refers to Abraham. Was he being sarcastic? It was surely a rebuke to Sarah. What is amazing is how patient this king was. It is proof that the fear of God was in that place, contrary to what Abraham believed (see v. 11).
[20:16] 3 tn Heb “Look, it is for you a covering of the eyes, for all who are with you, and with all, and you are set right.” The exact meaning of the statement is unclear. Apparently it means that the gift of money somehow exonerates her in other people’s eyes. They will not look on her as compromised (see G. J. Wenham, Genesis [WBC], 2:74).