By what means were the apostles delivered from prison?

Answer

"The angel of the Lord by night opened the prison doors, and brought them forth." Acts 5: 19.

What is promised to him who wills to do God's will?
What use of this prophecy by the Apostle Peter shows that it referred to Christ?
On what basis is there no possibility of justification for the sinner?
What event does he speak of as immediately following these times of refreshing?
To whom was Belshazzar's kingdom given?
Who made the Sabbath day holy?
What warning has Christ given that we might not be taken by surprise by this great event?

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