God has not deigned to satisfy our curiosity on that point, and the knowledge is not of practical importance to us. The fact that there is a purgatory has been revealed by God. And when He reveals a fact, we cannot say to Him, “Well, I for one refuse to believe it until You tell me more about it.” God proves a thing by saying it, for He is truth itself. We have but to prove that He said it
Radio Replies Volume 1 by Rev. Dr. Leslie Rumble MSC and Rev. Charles Mortimer Carty