By what authority was Sunday Sabbath-keeping instituted?

Answer

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

What great gift comes with our acceptance of Christ?
How are the present effects and future results of chastisement contrasted?
Seeking a fair remuneration, what do many laborers do?
How did Christ speak of the gathering of the Gentiles?
In what sense does the angel Gabriel explain John the Baptist to be the Elijah of Mal. 4: 5?
What did Christ tell the rich young man to do?
What will be the difference between the portion of the righteous and the wicked?

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