When Jacob uttered the words, "The days of the years of my pilgrimage have been few and evil," God said to him: "Jacob, I saved thee out of the hands of Esau and Laban, I restored Joseph unto thee, and made him to be a king and a ruler, and yet thou speakest of few and evil days. Because of thy ingratitude, thou wilt not attain unto the days of the years of the life of thy fathers," and Jacob died at an age thirty-three years less than his father Isaac's.
On going out from the presence of Pharaoh, Jacob blessed the king with the words, "May the years still in store for me be given unto thee, and may the Nile overflow its banks henceforth again and water the land." His words were fulfilled. In order to show that the pious are a blessing for the world, God caused the Nile to rise above its bed and fructify the land of Egypt.