Genesis 15:5-7

And he brought him forth abroad, and said, Look now toward heaven, and tell the stars, if thou be able to number them: and he said unto him, So shall thy seed be. And he believed in the LORD; and he counted it to him for righteousness. And he said unto him, I am the LORD that brought thee out of Ur of the Chaldees, to give thee this land to inherit it.

Genesis 15:5-7