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.

How long will the Word of God endure?
By whom was this fulfilled?
In connection with Christian baptism, what is washed away?
What enabled Abraham to endure the test?
How long was the Sabbath to be a sign of the true God?
Who else appeared on this occasion?
When will immortality be conferred upon the saints?

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