How comprehensive are these commandments?

Answer

'Fear God, and keep His commandments: for this is the whole duty of man." Ecel. 12: 13.

What do the heavens declare?
What is the devil's relationship to lying?
How perfect does Christ tell His followers to be?
What is required besides a belief in the existence of God?
What system was established on account of man's transgression of the law of God?
How long was the Sabbath to be a sign of the true God?
What other reason is given for keeping the Sabbath?

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