TSK
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It happened, that when Isaac was old, and his eyes were dim, so that he could not see, he called Esau his elder son, and said to him, "My son?" He said to him, "Here I am."
He said to them, "I am one hundred twenty years old this day; I can no more go out and come in: and Yahweh has said to me, 'You shall not go over this Jordan.'
As yet I am as strong today as I was in the day that Moses sent me: as my strength was then, even so is my strength now for war, to go out and to come in.
to show that Yahweh is upright. He is my rock, and there is no unrighteousness in him.
"When forty years were fulfilled, an angel of the Lord appeared to him in the wilderness of Mount Sinai, in a flame of fire in a bush.