What was decreed by the Council of Laodicea, in AD. 364?

Answer

That Christians should keep the Sunday, and that if they persisted in resting on the Sabbath, "they shall be
shut out from Christ." See Hefele's "History of the Councils of the Church," Vol. 11, page 316.

Why did the apostle say this duty was so imperative?
How great was the agony of His soul?
Why was it necessary for Christ to go away?
Whom are all called upon to worship?
How may one grow in grace?
What does Christ give His followers?
To whom has God given the earth?

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