‏ Genesis 17:19

Sarah.

21; 18:10-14; 21:2,3,6; 2Ki 4:16,17; Lu 1:13-20; Ro 9:6-9; Ga 4:28-31

Isaac.{Yitzchak,} which we change into Isaac, signifies laughter; in allusion to Abraham's laughing, ver. 17. By this Abraham did not express his unbelief or weakness of faith, but his joy at the prospect of the fulfilment of so glorious a promise; and to this our Lord evidently alludes, Joh 8:56.

‏ Genesis 21:12

hearken.

1Sa 8:7,9; Isa 46:10

in Isaac.

17:19,21; Ro 9:7,8; Heb 11:18

‏ Romans 9:7

because.

Lu 3:8; 16:24,25,30; Joh 8:37-39; Php 3:3

In Isaac.

Ge 21:12; Heb 11:18
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