Genesis 17:24

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

Romans 4:11

And he received the circumcision as a sign, as a seal of the righteousness of the faith which he had, yet being uncircumcised, that he might be the father of all the uncircumcised believers, that it might be counted unto them also as righteousness,

Genesis 12:4

So Abram departed, as the LORD had spoken unto him, and Lot went with him, and Abram was seventy-five years old when he departed out of Haran.

Genesis 17:1

And when Abram was ninety-nine years old, the LORD appeared to Abram and said unto him, I am the Almighty God; walk before me and be thou perfect.

Genesis 17:17

Then Abraham fell upon his face and laughed and said in his heart, Shall a child be born unto him who is one hundred years old? and shall Sarah, who is ninety years old, bear?

Romans 4:19-20

And he did not weaken in faith: he considered not his own body now dead when he was about one hundred years old, neither yet the deadness of Sara's womb;

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