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.

For what is all Scripture profitable?
Can man free himself from the dominion of sin?
Unto whom will the saints forever ascribe praise?
What saved the people from the predicted overthrow?
What instruction suggests the giving of thanks for daily food?
How strongly will this false worship and the enforcement of this mark be urged?
For what purpose did God give His Son to the world?

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