What is the essential teaching of the new covenant?

Answer

"For this is the covenant that I will make with the house of Israel after those days, says the Lord; I will put
My laws into their mind, and write them in their hearts: and I will be to them a God, and they shall be to
Me a people." Heb. 8: 10.

How did Christ suggest that His disciples follow His example in teaching gospel truth?
Did Christ, while on earth, keep the Sabbath?
Which commandment alone of the Decalogue reveals the true God and Author of the law?
As He was about to leave the temple, what did He say?
Concerning what should we not be ignorant?
Upon what one fact does Paul base the Christian hope?
How did Elijah pray before obtaining his request?

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