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 specific instance is mentioned by Peter?
How did He further explain the new birth?
What is the mark of a true friend?
18. What does the prophet say the two -horned -beast power will attempt to enforce upon all the people?
When Elijah was about to take a forty days journey, how was he strengthened for it?
What did Christ learn through suffering?
What is the gospel to everyone that believes?

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