## he counted it to him as righteousness ##

"Yahweh counted Abram's belief as righteousness" or "Yahweh considered Abram righteous because Abram believed him"

## I am Yahweh that brought you out of Ur ##

Yahweh was reminding Abraham of what he had already done so that Abraham would know that Yahweh had the power to give Abram what he promised him.

## to inherit it ##

This can be translated as "to receive it" or "so that you will possess it."

## how will I know ##

Abram was asking for more proof that Yahweh would give him the land.