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.

Why cannot the natural man receive the things of the Spirit?
How did Christ make it clear to them that the Scriptures testify of Him?
What did He say a little later to the eleven?
What, more than all else, proves the perpetuity and immutability of the law of God?
What were these stones to commemorate?
What was Christ's custom respecting the Sabbath?
Hearing these words, what questions did the disciples ask?

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