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.

How is the fulfilment of this prophecy recorded?
How completely does God wish to separate sin from us?
Upon what basis does the reward come to one who works?
What prophecy of Isaiah was fulfilled at Christ's birth?
What importance is attached to Christ's resurrection?
What is said of one who professes to know the Lord, but does not keep His commandments?
Who gives this rest from sin?

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