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.

In what working of God is faith to be exercised in connection with baptism?
Why did Israel fail to attain unto righteousness?
What did Jesus declare God's commandments to be?
12. What prohibition did God give His chosen people against intermarrying with the heathen nations about them, and why?
To whom did God commit the care and early training of His only begotten Son?
With what promise do the Old Testament Scriptures close?
What unites all believers under the new covenant?

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