Of what was this memorial to he a sign?

Answer

"And hallow My Sabbaths; and they shall be a sign between Me and you, that you may know that I am the
Lord your God." Eze. 20:20.

For what purpose is the grace of Christ received?
With what question did Christ meet their false ideas and reasoning regarding Sabbath-keeping?
In what language had some of the Old Testament prophets already foretold these signs?
What will the righteous do upon rising from the grave?
How much do the dead know of what is going on among men?
What reason did Paul give for glorying in tribulations?
How were their prayers answered?

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