And he received the sign of circumcision, as a seal of the righteousness of his faith during uncircumcision, for him to be father of all those who believe during uncircumcision (for righteousness to also be imputed to them),
Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born to him who is a hundred years old? And shall Sarah, who is ninety years old, bear?