Gen 17:19 | TSK | e4.org | Sarah , , , ; ; ; ; Isaac Yitzchak , which we change into Isaac, signifies laughter; in allusion to Abraham's laughing, . 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, .

‏ Genesis 17:19

Sarah Gen 17:21, Gen 18:10-14, Gen 21:2-3, Gen 21:6; 2Kgs 4:16-17; Luke 1:13-20; Rom 9:6-9; Gal 4:28-31

Isaac Yitzchak, which we change into Isaac, signifies laughter; in allusion to Abraham's laughing, Gen 17:17. 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, John 8:56.