What would make the death of Christ in vain?

Answer

"If righteousness come by the law, then Christ is dead in vain." Gal. 2: 21.

To whom are those who suffer exhorted to commit their souls?
When asked by the Jews for a sign of His Messiahship, what did Jesus say?
How does Nehemiah describe the giving of the law at Sinai ?
What other reason is given for keeping the Sabbath?
What encouragement is given to heed this message?
What did Christ say concerning secret prayer?
When the Jews rejected Paul's preaching of the gospel, what did he and Barnabas say?

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