What is the true basis of the brotherhood of man?

Answer

"Have we not all one Father? hath not one God created us? why do we deal treacherously every man
against his brother, by profaning the covenant of our fathers' Mal. 2: 10.

What is the final result or fruit of sin?
How may we know that we are the sons of God?
With whose blood was the new covenant dedicated?
What did some of the people do on the seventh day?
What special reason did the Israelites have for keeping the Sabbath?
How many will receive a reward when Christ comes?
What is to become of our earth in the day of the Lord?

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