Matthew Henry on Genesis 48:8–end
Here is, I. The blessing with which Jacob blessed the two sons of Joseph, which is the more remarkable because the apostle makes such particular mention of it (Heb 11:21), while he says nothing of the blessing which Jacob pronounced on the rest of his sons, though that also was done in faith. Observe here,
1. Jacob was blind for age, Gen 48:10. It is one of the common infirmities of old age. Those that look out at the windows are darkened, Ecc 12:3. It is folly to walk in the sight of our eyes, and to suffer our hearts to go after them, while we know death will shortly close them, and we do not know but some accident between us and death may darken them. Jacob, like his father before him, wh…
Read the whole note in the consoleJamieson-Fausset-Brown on Genesis 48:13
Joseph took them both--The very act of pronouncing the blessing was remarkable, showing that Jacob's bosom was animated by the spirit of prophecy.
Adam Clarke on Genesis 48:18
Joseph said - Not so, my father - Joseph supposed that his father had made a mistake in laying his right hand on the head of the youngest, because the right hand was considered as the most noble, and the instrument of conveying the highest dignities, and thus it has ever been considered among all nations, though the reason of it is not particularly obvious. Even in the heavens the right hand of God is the place of the most exalted dignity. It has been observed that Joseph spoke here as he was moved by natural affection, and that Jacob acted as he was influenced by the Holy Spirit.
John Gill on Genesis 48:18
And Joseph said unto his father, not so, my father,.... It is not right, it should not so be, that the right hand should be put on the youngest, and the left hand on the eldest:
for this is the firstborn; directing him to Manasseh, and seeking to guide his hand towards him:
put thy right hand upon his head; Joseph was for proceeding according to the order of birthright, but Jacob was directed by a spirit of prophecy, as follows.