Then the LORD said, "I will surely return to you about this time next year,1 and Sarah your wife will have a son."2 Now Sarah was listening at the entrance to the tent, which was behind him.
References for Genesis 18:10
Abraham and Sarah were already old and well advanced in years,3 and Sarah was past the age of childbearing.4
References for Genesis 18:11
So Sarah laughed5 to herself as she thought, "After I am worn out and my master6 is old, will I now have this pleasure?"
References for Genesis 18:12
Then the LORD said to Abraham, "Why did Sarah laugh and say, 'Will I really have a child, now that I am old?'7
References for Genesis 18:13
Is anything too hard for the LORD?8 I will return to you at the appointed time next year9 and Sarah will have a son."10
References for Genesis 18:14
Sarah was afraid, so she lied and said, "I did not laugh." But he said, "Yes, you did laugh."