For what purpose will Christ come again?

Answer

"To be glorified in His saints." 2 Thess. 1: 10.

How did this change in observance of days come about, suddenly or gradually?
What means will be employed to compel all to receive this mark?
When these things should begin to come to pass, what did Christ tell His people to do?
At His ascension, what assurance was given of Christs return ?
But when, according to the prophecy, was Elijah to be sent?
How did Christ, from the Old Testament Scriptures, prove the resurrection?
What promise is made to them that walk uprightly?

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