To what Old Testament promise did Peter evidently refer?

Answer

"For, behold, I create new heavens and a new earth: and the former shall not be remembered, nor come into
mind." Isa. 65:17.

Of what was Abraham's obedience the fruit?
Who has borne our sins, and stands ready to help us?
In what sense does the angel Gabriel explain John the Baptist to be the Elijah of Mal. 4: 5?
7. With what is witchcraft classed by Paul, and what does he say to those who are guilty of such things?
In what one promise are all these promises summed up?
How much of the land of Canaan did Abraham own in his lifetime?
Why did not these ancient worthies receive the promise?

Questions & Answers are from the book Bible Readings for the Home Circle