Swear.

Genesis 14:22
But Abram replied to the king of Sodom, "I have raised my hand to the LORD God Most High, Creator of heaven and earth,

Genesis 24:3
and I will have you swear by the LORD, the God of heaven and the God of earth, that you will not take a wife for my son from the daughters of the Canaanites among whom I am dwelling,

Mark 6:23
And he swore to her, "Whatever you ask of me, I will give you, up to half my kingdom!"

Hebrews 6:16
Men swear by someone greater than themselves, and their oath serves as a confirmation to end all argument.

and he sold.

Genesis 27:36
So Esau declared, "Is he not rightly named Jacob? For he has cheated me twice. He took my birthright, and now he has taken my blessing." Then he asked, "Haven't you saved a blessing for me?"

Genesis 36:6, 7
Later, Esau took his wives and sons and daughters and all the people of his household, along with his livestock, all his other animals, and all the property he had acquired in Canaan, and he moved to a land far away from his brother Jacob. . . .

Hebrews 12:16
See to it that no one is sexually immoral, or is godless like Esau, who sold his birthright for a single meal.