What ordinance is closely associated with believing the gospel ?

Answer

"And He said unto them, Go you into all the world, and preach the gospel to every creature. He that
believes and is baptized shall be saved; but he that believes not shall be damned." Mark 16: 15, 16.

How were the Scriptures given?
Of what was Abraham's obedience the fruit?
In what condition are all men?
How early was this sacrificial system known?
How does Paul describe this dedication of the covenant?
What reason is given in the commandment for keeping the Sabbath day holy?
Is any of this kind of work to be done on the Sabbath?

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