Genesis 17:24

Abraham was ninety-nine years old, when he was circumcised in the flesh of his foreskin.

Romans 4:11

He received the sign of circumcision, a seal of the righteousness of the faith which he had while he was in uncircumcision, that he might be the father of all those who believe, though they might be in uncircumcision, that righteousness might also be accounted to them.

Genesis 12:4

So Abram went, as Yahweh had spoken to him. Lot went with him. Abram was seventy-five years old when he departed out of Haran.

Genesis 17:1

When Abram was ninety-nine years old, Yahweh appeared to Abram, and said to him, "I am God Almighty. Walk before me, and be blameless.

Genesis 17:17

Then Abraham fell on his face, and laughed, and said in his heart, "Will a child be born to him who is one hundred years old? Will Sarah, who is ninety years old, give birth?"

Romans 4:19-20

Without being weakened in faith, he didn't consider his own body, already having been worn out, (he being about a hundred years old), and the deadness of Sarah's womb.

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