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.

By what are men sanctified?
What effect did the preaching of the Apostle Paul have upon the Gentiles?
Under what condition is the written law good?
When, according to the Bible, does the Sabbath begin?
12. Do Catholic authorities acknowledge that there is no command in the Bible, for the sanctification of Sunday?
Who first enjoined Sunday-keeping by law?
Under what striking symbol was all this foretold?

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