Where was the law of God written under the old covenant?

Answer

"And I made an ark of shittim-wood, and hewed two tables of stone. . . . And He wrote on the tables . . .
the Ten Commandments ' which the Lord spoke unto you in the mount out of the midst of the fire in the
day of the assembly: and the Lord gave them unto me." Deut. 10:3,4.

What will he the reward of those who honor their parents?
And what is indicated as the lawful use of the law?
Who made the Sabbath day holy?
What did Charlemagne's Sunday law of 800 require?
How, according to Luke, did Christ answer this question?
What prophecy spoke of their return from captivity?
When is the resurrection of the righteous to take place?

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