Passage cross-references.

For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him. …

But the angel said unto him, Fear not, Zacharias: for thy prayer is heard; and thy wife Elisabeth shall bear thee a son, and thou shalt call his name John. …

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. …

And Sarah said, God hath made me to laugh, so that all that hear will laugh with me.

And he said, About this season, according to the time of life, thou shalt embrace a son. And she said, Nay, my lord, thou man of God, do not lie unto thine handmaid. …

Not as though the word of God hath taken none effect. For they are not all Israel, which are of Israel: …

Now we, brethren, as Isaac was, are the children of promise. …

But my covenant will I establish with Isaac, which Sarah shall bear unto thee at this set time in the next year.

Sojourn in this land, and I will be with thee, and will bless thee; for unto thee, and unto thy seed, I will give all these countries, and I will perform the oath which I sware unto Abraham thy father;