Genesis 27:39-41

Then Isaac his father answered and said to him: “Behold, away from the fatness of the earth shall your dwelling be, and away from the dew of heaven on high. By your sword you shall live, and you shall serve your brother; but when you grow restless you shall break his yoke from your neck.” Now Esau hated Jacob because of the blessing with which his father had blessed him, and Esau said to himself, “The days of mourning for my father are approaching; then I will kill my brother Jacob.”