Genesis 17:17
Then Abraham fell upon his face, and laughed, and said in his heart, Shall be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear?
ā The Restored Word Bible
Context
15 And Elohim said unto Abraham, As for Sarai your wife, you shall not call her name Sarai, but Sarah her name .
16 And I will bless her, and give you a son also of her: yes, I will bless her, and she shall be of nations; kings of people shall be of her.
17 Then Abraham fell upon his face, and laughed, and said in his heart, Shall be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear?
18 And Abraham said unto Elohim, O that Ishmael might live before you!
19 And Elohim said, Sarah your wife shall bear you a son indeed; and you shall call his name Isaac: and I will establish my covenant with him for an everlasting covenant, with his seed after him.