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.

Why did God confide in Abraham, and commit sacred trusts to him?
What memorial of His creative power did God establish?
What, more than all else, proves the perpetuity and immutability of the law of God?
16. After the sealing work brought to view in Revelation 7, which takes place under the sixth seal, how is the seventh seal introduced?
8. After the fall of Western Rome, what power in the East arose to harass and overrun the Roman world, East and West?
What should one do if asked to inquire of a familiar spirit ?
In what language is the same truth again expressed?

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