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.

In what promise was a Saviour from sin first revealed?
Were the gifts of the Spirit to continue forever?
What course on the part of children is well pleasing to the Lord?
Why were the ancient Sunday laws demanded?
What comes to all men as the result of the Fall?
Does Jesus sympathize with us in our afflictions?
How does the Lord regard kindness shown to the poor?

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