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.

For what were the Bereans commended?
How was the earth itself affected by Adam's sin ?
Why did Israel fail to attain unto righteousness?
How did Christ answer him?
After whose body will these resurrected ones be fashioned?
How important is the trial of our faith?
Why is sorrow better than laughter?

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