And the lads grew; and Esau was a man of idleness to catch birds and beasts, a man going forth into the field to kill lives, as Nimrod had killed, and Hanok his son. But Jakob was a man peaceful in his words, a minister of the instruction-house of Eber, seeking instruction before the Lord.
Jacob in Eber's Study House While Esau Hunted
Targum Pseudo-Jonathan on Genesis 25:27