What do Catholics say of the observance of Sunday by Protestants?

Answer

"It was the Catholic Church which, by the authority of Jesus Christ, has transferred this rest to the Sunday
in remembrance of the resurrection of our Lord. Thus the observance of Sunday by the Protestants is an
homage they pay, in spite of themselves, to the authority of the [Catholic] church. "-"Plain Talk About the
Protestantism of Today," by Mgr. Segur, page 213.

What first attracted the prophet's attention?
What are the \"better promises\" upon which the new covenant was established?
What will be done with the righteous living?
Upon what one fact does Paul base the Christian hope?
How does the Apostle Peter close his second epistle?
What above all else shows God's willingness to do this?
What is to become of our earth in the day of the Lord?

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