On what did God write the Ten Commandments?

Answer

"And He declared unto you His covenant, which He commanded you to perform, even Ten
Commandments; and He wrote them upon two tables of stone." Deut. 4: 13.

What is the true basis of the brotherhood of man?
In order to baptize the eunuch, where did Philip take him?
How early were the Scriptures taught to Timothy?
How extensively is this message to he proclaimed?
How did Jesus answer them?
When the state enacts religious laws, what is effected?
Who are heirs of the promise?

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