Genesis 18:10

He said, “I will surely return to you at this time next year; and behold, Sarah your wife will have a son.” And Sarah was listening at the tent door, which was behind him.

Genesis 21:2

So Sarah conceived and gave birth to a son for Abraham in his old age, at the appointed time of which God had spoken to him.

Genesis 17:21

But My covenant [My promise, My solemn pledge], I will establish with Isaac, whom Sarah will bear to you at this time next year.”

Genesis 17:19

But God said, “No, Sarah your wife shall bear you a son indeed, and you shall name him Isaac (laughter); and I will establish My covenant with him for an everlasting covenant and with his descendants after him.

Genesis 16:10

Then the Angel of the Lord said to her, “I will greatly multiply your descendants so that they will be too many to count.”

Genesis 17:16

I will bless her, and indeed I will also give you a son by her. Yes, I will bless her, and she shall be a mother of nations; kings of peoples will come from her.”

Genesis 18:13-14

And the Lord asked Abraham, “Why did Sarah laugh [to herself], saying, ‘Shall I really give birth [to a child] when I am so old?’

Genesis 22:15-16

The Angel of the Lord called to Abraham from heaven a second time

Judges 13:3-5

And the Angel of the Lord appeared to the woman and said to her, “Behold, you are infertile and have no children, but you shall conceive and give birth to a son.

2 Kings 4:16-17

Elisha said, “At this season next year, you will embrace a son.” She said, “No, my lord. O man of God, do not lie to your maidservant.”

Luke 1:13

But the angel said to him, “Do not be afraid, Zacharias, because your petition [in prayer] was heard, and your wife Elizabeth will bear you a son, and you will name him John.

Romans 9:8-9

That is, it is not the children of the body [Abraham’s natural descendants] who are God’s children, but it is the children of the promise who are counted as [Abraham’s true] descendants.

Galatians 4:23

But the child of the slave woman was born according to the flesh and had an ordinary birth, while the son of the free woman was born in fulfillment of the promise.

Galatians 4:28

And we, [believing] brothers and sisters, like Isaac, are children [not merely of physical descent, like Ishmael, but are children born] of promise [born miraculously].

Treasury of Scripture Knowledge

Summary

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.

Bible References

He said

Genesis 18:13
And the Lord asked Abraham, “Why did Sarah laugh [to herself], saying, ‘Shall I really give birth [to a child] when I am so old?’
Genesis 16:10
Then the Angel of the Lord said to her, “I will greatly multiply your descendants so that they will be too many to count.”
Genesis 22:15
The Angel of the Lord called to Abraham from heaven a second time

According

Genesis 17:21
But My covenant [My promise, My solemn pledge], I will establish with Isaac, whom Sarah will bear to you at this time next year.”
Genesis 21:2
So Sarah conceived and gave birth to a son for Abraham in his old age, at the appointed time of which God had spoken to him.
2 Kings 4:16
Elisha said, “At this season next year, you will embrace a son.” She said, “No, my lord. O man of God, do not lie to your maidservant.”

Lo, sarah

Genesis 17:16
I will bless her, and indeed I will also give you a son by her. Yes, I will bless her, and she shall be a mother of nations; kings of peoples will come from her.”
Genesis 21:2
So Sarah conceived and gave birth to a son for Abraham in his old age, at the appointed time of which God had spoken to him.
Judges 13:3
And the Angel of the Lord appeared to the woman and said to her, “Behold, you are infertile and have no children, but you shall conceive and give birth to a son.
Luke 1:13
But the angel said to him, “Do not be afraid, Zacharias, because your petition [in prayer] was heard, and your wife Elizabeth will bear you a son, and you will name him John.
Romans 9:8
That is, it is not the children of the body [Abraham’s natural descendants] who are God’s children, but it is the children of the promise who are counted as [Abraham’s true] descendants.
Galatians 4:23
But the child of the slave woman was born according to the flesh and had an ordinary birth, while the son of the free woman was born in fulfillment of the promise.