How did God reprove their disobedience?

Answer

"And the Lord said unto Moses, How long refuse you to keep My commandments and My laws?" Verse

What led to Satan's sin, rebellion, and downfall?
How was the prophecy given?
Of what was this memorial to he a sign?
How did this change in observance of days come about, suddenly or gradually?
How does this association regard the Catholic Church on this point?
Who did He say would be saved?
What is Christ's message to the last church?

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