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 writings are specifically mentioned as containing some things difficult to understand?
What prophetic declaration foretold this truth?
What lesson did Christ design to teach in healing the man sick of the palsy?
How may we be freed from the guilt of our sins, or our transgressions of God's law?
What test case arose in the time of the apostles over this question?
How universal is the worship of this power to become?
While in this condition, how much does one know about those he has left behind?

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