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.

What instruction did the Apostle Peter give concerning the Gentiles who had believed?
What instruction shows that sanctification is a progressive work?
How highly does God regard obedience?
Is there a limit to the strivings of God's Spirit?
Was the judgment still future in Paul's day?
What does God's Word then become to the believer?
How enduring is this kingdom to be?

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