7I will take you to be my people, and I will be your God, and you shall know that I am the LORD your God, who has brought you out from under the burdens of the Egyptians.
God takes Israel as his people, adopting them as his own. That shows his love. Love for your family is natural, but love for a stranger is super-natural; that love is given to you by God. He himself gives a good example.
7 I will take you to be my people, and I will be your God, and you shall know that I am the LORD your God, who has brought you out from under the burdens of the Egyptians.