Understanding Plato’s Hollow Earth Concept

Plato’s Hollow Earth Theory

The first historical reference to a Hollow Earth is by Plato in Phædo. In history, the Hollow Earth theory explained natural phenomena prior to scientific investigation. However, groups that maintain the Hollow Earth theory reject the findings of modern science to create their own epistemology.

It Reads:

“I believe that the earth is very large and that we who dwell between the pillars of Hercules [109b] and the river Phasis live in a small part of it about the sea, like ants or frogs about a pond, and that many other people live in many other such regions. For I believe there are in all directions on the earth many hollows of very various forms and sizes, into which the water and mist and air have run together, but the earth itself is pure and is situated in the pure heaven in which the stars are, the heaven which [109c] those who discourse about such matters call the ether; the water, mist, and air are the sediment of this and flow together into the hollows of the earth. Now, we do not perceive that we live in the hollows but think we live on the upper surface of the earth, just as if someone who lives in the depth of the ocean should think he lives on the surface of the sea and see the sun and the stars through the water, should think the sea was the sky, and should, because of sluggishness or [109d] feebleness, never have reached the surface of the sea, and should never have seen, by rising and lifting his head out of the sea into our upper world, and should never have heard from anyone who had seen, how much purer and fairer it is than the world he lived in. I believe this is just the case with us, for we dwell in a hollow of the earth and think we dwell on its upper surface and the air we call the heaven, and think that is the heaven in which the stars move. But the fact is the same, [109e] that because of feebleness and sluggishness, we are unable to attain the upper surface of the air; for if anyone should come to the top of the air or should get wings and fly up, he could lift his head above it and see, as fishes lift their heads out of the water and see the things in our world, so he would see things in that upper world; and, if his nature were strong enough to bear the sight, he would recognize that that is the real heaven.”

More can be read here from Phaedo.

Does Plato’s Phaedo Allude to Hollow Earth Theory?

Another Interpretation for People Who Hate Hollow Earth Theory

Plato’s Phaedo (109b-109e) contains this passage in which Socrates describes humanity as dwelling in the “hollows of the earth,” likening us to ants or frogs gathered around a small pond. This imagery might seem to echo modern notions of a Hollow Earth Theory. However, Socrates’ intent is more philosophical than literal.

The “hollows” Socrates refers to are not physical caverns or subterranean worlds but rather a metaphor for human ignorance and limited perception. According to Socrates, we mistake our immediate surroundings—the air, mist, and water of our “hollow” environment—for the entirety of existence. Much like fish in the ocean might perceive the water as their entire universe, humans are similarly confined by their sensory experiences, unable to grasp the broader, purer reality beyond their reach.

In this interpretation, the “upper surface” of the earth and the true heavens represent a higher plane of understanding that can only be accessed by transcending our ordinary perceptions. Socrates suggests that only those with extraordinary insight or strength of nature might metaphorically “rise” to this purer realm and perceive its truth.

This passage is not a precursor to physically hidden worlds beneath the earth’s crust. Instead, it serves as a profound commentary on the limitations of human perception and the potential for intellectual and spiritual ascent.

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