I know that there have been numerous threads on where one would go to find the justification for Purgatory, however, I have not read or heard any justification for the following two things below. FYI: It is not that I disbelieve in them, as that would be heretical, but rather curious as to how these two concepts are justified so I can have a greater understanding.
I recently heard a sermon where Purgatory was mentioned, and Father mentioned how we must pray for the souls in Purgatory, and without our prayers, they cannot move on to Heaven. Where does this come from?
I recently read somewhere, or maybe it was within the same sermon (???) that the “fires” of Purgatory are cleansing but extremely painful. Can someone also provide the basis and foundation of this belief, and also maybe some explanation as to how that purification fire is different than the fires of Hell. It seems that if both are painful, both would kind of stink. Obviously, being in Purgatory, you will one day see the face of God and thus those fires would end, whereas in Hell, the pain is forever.
Thanks in advance.