Then Abraham fell on his face, and laughed, and said in his heart, Shall a child be born to him that is an hundred years old? and shall Sarah, that is ninety years old, bear?
And after that came his brother out, and his hand took hold on Esau's heel; and his name was called Jacob: and Isaac was three score years old when she bore them.
And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sarah's womb: