By faith Abraham, when he was tested, offered up Isaac . . . concluding that God was able to raise him up, even from the dead . . .
By faith Abraham obeyed when he was called to go out to the place which he would receive as an inheritance. And he went out, not knowing where he was going.
And it came to pass, when the sun went down and it was dark, that behold, there appeared a smoking oven and a burning torch that passed between . . .