Genesis 18:10 KJV
And he said, I will certainly return unto thee according to the time of life; and, lo, Sarah thy wife shall have a son. And Sarah heard it in the tent door, which was behind him.
Genesis 18:8–12 KJV Chapter Context
8
And he took butter, and milk, and the calf which he had dressed, and set it before them; and he stood by them under the tree, and they did eat.
9
And they said unto him, Where is Sarah thy wife? And he said, Behold, in the tent.
10
And he said, I will certainly return unto thee according to the time of life; and, lo, Sarah thy wife shall have a son. And Sarah heard it in the tent door, which was behind him.
11
Now Abraham and Sarah were old and well stricken in age; and it ceased to be with Sarah after the manner of women.
12
Therefore Sarah laughed within herself, saying, After I am waxed old shall I have pleasure, my lord being old also?