Genesis 21:7

7 And she said, "Who would ever have said to Abraham that Sarah would nurse children? Yet I have borne him a son in his old age."

Genesis 21:7 In-Context

5 Abraham was a hundred years old when his son Isaac was born to him.
6 Now Sarah said, "God has brought laughter for me; everyone who hears will laugh with me."
7 And she said, "Who would ever have said to Abraham that Sarah would nurse children? Yet I have borne him a son in his old age."
8 The child grew, and was weaned; and Abraham made a great feast on the day that Isaac was weaned.
9 But Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, playing with her son Isaac.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.