a special place of purification to certain souls, and even permits them to appear either to instruct the living or to procure for the departed the suffrages of which they stand in need; sometimes also for other motives worthy of the wisdom and mercy of God.
Such is the general view concerning the location of Purgatory. Since we are not writing a controversial treatise, we add neither proofs nor refutations; these can be seen in authors such as Suarez and Bellarmin. We will content ourselves by remarking that the opinion concerning a subterranean Hell has nothing to fear from modern science. [1] A science purely natural is incompetent in questions which belong, as does this one, to the supernatural order. Moreover, we know that spirits may be in a place occupied by bodies, as though these bodies did not exist. Whatever, then, the interior of the earth may be, whether it be entirely of fire, as geologists commonly say, or whether it be in any other state, there is nothing to prevent its serving as a sojourn of spirits, even of spirits clothed with a risen body. The Apostle St. Paul teaches us that the air is filled with a multitude of evil spirits: We have to combat says he, against the spirits of wickedness in the high places. [2]
On the other hand, we know that the good angels who protect us are no less numerous in the world. Now, if angels and other spirits can inhabit our atmosphere, whilst the physical world is not in the least degree changed, why cannot the souls of the dead dwell in the bosom of the earth?