By what authority was Sunday Sabbath-keeping instituted?

Answer

By the authority of the Catholic Church. See page 131.

What is said of the strength and wisdom of God?
What are the commandments of God declared to be?
5. After the healing of the blind man, upon what charge did some of the Pharisees seek to prove that Christ was not of God?
Who will thus he judged by the saints?
Is it the duty of gospel ministers to execute vengeance?
18. Knowing that the unbelieving Jews would still cling to their false ideas respecting the Sabbath, pray?
How long will they live?

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