Genesis 18:13-15

And the LORD said to Abraham, “Why did Sarah laugh, saying, ‘Shall I surely bear a child, since I am old?’ Is anything too hard for the LORD? At the appointed time I will return to you, according to the time of life, and Sarah shall have a son.” But Sarah denied it, saying, “I did not laugh,” for she was afraid. And He said, “No, but you did laugh!”