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 is to be the fate of those who, instead of worshipping God, engage in this false worship?
How did this change in observance of days come about, suddenly or gradually?
What was the object of the church bishops in securing these Sunday laws?
What is set forth as the basis for hope and comfort?
What becomes of man's thoughts at death?
When is the resurrection of the righteous to take place?
What warning has been given us through the Apostle Peter?

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