Are the angels interested in the plan of salvation?

Answer

"Which things the angels desire to look into." 1 Peter 1: 12.

How may we know that we are the sons of God?
Where did Moses command the Levites to put the book of the law which he had written?
What test case arose in the time of the apostles over this question?
On what day did Paul and Barnabas preach at Antioch?
20. When and by what church council was the observance of the seventh day forbidden, and Sunday observance enjoined ?
Why was the parable of the importunate widow given?
How many foundations has this city?

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