Thematic Bible: Jacob obtains his brother's birthright by an unjust advantage

And Jacob boiled pottage: and Esau came from the field, and he was faint: And Esau said to Jacob, Feed me, I pray you, with that same red pottage; for I am faint: therefore was his name called Edom. And Jacob said, Sell me this day your birthright. read more.
And Esau said, Behold, I am at the point of death: and what profit shall this birthright be to me? And Jacob said, Swear to me this day; and he swore unto him: and he sold his birthright unto Jacob.