Genesis 15:5-7

Revised Standard Version Catholic Edition

⁵ And he brought him outside and said, “Look toward heaven, and number the stars, if you are able to number them.” Then he said to him, “So shall your descendants be.” ⁶ And he believed the Lord; and he reckoned it to him as righteousness.

⁷ And he said to him, “I am the Lord who brought you from Ur of the Chalde′ans, to give you this land to possess.”