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.

Why was Christ's preaching so impressive?
Who has borne our sins, and stands ready to help us?
What were some of the results of the preaching of the gospel under the outpouring of the Spirit?
If John, therefore, referred to a day of the week, on what day must he have been in the Spirit?
How many does Paul say will suffer persecution?
What did David ask God to teach him?
How often did David say he would pray?

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