Genesis 18:19

¹⁹ For I have made him mine so that he may give orders to his children and those of his line after him, to keep the ways of the Lord, to do what is good and right: so that the Lord may do to Abraham as he has said.

Do well, to

To do well in, Genesis 4:7, signifies to be well disposed; for doing what is good comes from willing what is good. (Arcana Coelestia 363)

In Genesis 32:12, this also signifies to obtain life. (Arcana Coelestia 4258)

⁷ Be certain, then, that those who are of faith, the same are sons of Abraham.