What determines whether one is a child of Abraham?

Answer

"Know you therefore that they which are of faith, the same are the children of Abraham." Gal. 3: 7.
NOTE - Because of unbelief many of the Israelites fell in the wilderness, and were not permitted
to enter the promised land. Num. 14:27-33; Deut. 1:34-36.

By what should we test, or prove, all doctrine?
To what knowledge would God have all men come?
While at the high priest's house, how did Peter deny Him?
How was the fourth kingdom represented?
What is it that makes a thing holy?
What is Spiritualism defined to be?
Whom does God comfort?

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