And God said,
Sarah your wife shall bear you a son indeed; and you shall call his name Isaac: and I will establish my covenant with him for an everlasting covenant, and with his descendants after him.
All Commentaries on Genesis 17:19 Go To Genesis 17
George Leo Haydock
AD 1849
Isaac, "laughter "alluding to the exultation of Abraham, more than to the laughter of Sara, which deserved some reprehension, chap. xxi. 6.