John Gills Exposition of the Bible Commentary - Genesis 27:1
And it came to pass, that when Isaac was old ,.... He is generally thought to be about one hundred and thirty seven years of age at this time, which was just the age of his brother Ishmael when he died, Genesis 25:16 ; and might put him in mind of his own death as near at hand; though if he was no older, he lived after this forty three years, for he lived to be one hundred and eighty years old, Genesis 35:28 , and his eyes were dim, so that he could not see ; which circumstance is... read more
Matthew Henry's Complete Commentary - Genesis 27:1-5
Here is, I. Isaac's design to make his will, and to declare Esau his heir. The promise of the Messiah and the land of Canaan was a great trust, first committed to Abraham, inclusive and typical of spiritual and eternal blessings; this, by divine direction, he transmitted to Isaac. Isaac, being now old, and not knowing, or not understanding, or not duly considering, the divine oracle concerning his two sons, that the elder should serve the younger, resolves to entail all the honour and power... read more