By what authority was Sunday Sabbath-keeping instituted?

Answer

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

For what were the Bereans commended?
In what does God delight?
What is the first and primary evidence of our acceptance with God?
What did Christ say of those who rejected John's message?
Is there a specified time for the cleansing of the heavenly sanctuary?
What other reason is given for keeping the Sabbath?
How often should we pray?

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