By what authority was Sunday Sabbath-keeping instituted?

Answer

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

In what one word is the character of God expressed?
Who was this promised seed?
Against what evil should fathers guard?
What did this power do to the truth?
What is the love of God?
With what is God's seal connected?
To whom did Jesus first send the twelve disciples?

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