What specific instance is mentioned by Peter?

Answer

'Men and brethren, this scripture must needs have been fulfilled, which the Holy Ghost by the mouth of
David spoke before concerning Judas, which was guide to them that took Jesus!' Acts 1: 16.

How then do all become children of God?
In view of the judgment hour, what is proclaimed anew?
What will be the standard in the judgment?
How is sin defined?
How often will they congregate to worship the Lord?
What shout of triumph was heard in heaven following the victory gained by Christ?
Of what material is the wall constructed?

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