What exists?
There are only three possible answers. Two of them fail. This page shows, step by step, the one that is left.
Read the proof — about 5 minutesNot “what is in the universe”, but what exists at all
People have argued for thousands of years about what reality really is. Is it only matter? Only mind? Is there a God behind it?
But underneath all of these lies a simpler question: what exists? Not what we can see or measure, but what exists, full stop.
It sounds impossibly big. Yet if you look closely, there are only three ways to answer it.
The three possible answers
Whatever the truth is, it has to be one of these:
Nothing exists
There is no reality at all.
Something specific exists
Some particular things exist, and everything else does not.
Everything exists
There is no line between what exists and what doesn’t. All of it is real.
There is no fourth option. Either there is nothing, or there is a limited something, or there is everything.
“Nothing” is ruled out
This one is easy. You are reading these words. Something is happening right now — this thought, this screen, this moment.
If nothing existed, there would be no one to ask the question.
So answer number one is simply contradicted by experience.
“Something specific” is ruled out
This is the heart of the proof, so let’s go slowly.
Suppose only some particular set of things exists. Then an unavoidable question appears: why this set and not a different one? Why these things, these laws, this world — and not others?
There are only two ways to respond:
- Something outside chose it. But then that “something outside” also exists — so it is part of what exists, and we are back to the same question: why does it exist, and not something else?
- Nothing chose it. It just is, for no reason. But at the very bottom of existence, where there is no cause, there is also no preference. With no reason at all, there is nothing that could favour one specific result over any other. Every option has exactly the same (zero) reason to exist.
Causelessness cannot pick. And when nothing can pick, nothing is left out.
A specific, limited reality would need a reason for its limits — and at the bottom of everything, there is no such reason to be had.
So: everything exists
Nothing exists
Ruled out: something is clearly here.
Something specific exists
Ruled out: nothing could have drawn the line.
Everything exists
The only answer that needs no choice and no reason. It is what remains.
This is the same kind of reasoning science has always used for things no one could see yet. Atoms were worked out by logic long before anyone observed one. When only one option survives, it is the answer.
Not only everything “possible”. Everything.
Some thinkers have said that all possible worlds exist, or all mathematical structures. This is wider than that. It doesn’t stop at a border drawn by our logic or our mathematics. Things, minds, ideas, stories, descriptions — all of it is part of the everything.
The words “square circle” exist — you just read them. But they don’t point to anything. They describe an empty set, a nothing. Adding them to “everything” changes nothing, and leaving them out changes nothing. Contradictions don’t break the picture; they simply point nowhere.
Our world is one point inside the everything — real, but infinitely small compared to the whole.
“Then why isn’t our world chaos?”
If everything exists, shouldn’t messy, random worlds vastly outnumber orderly ones? Why do we live in a world with stable laws, where the sun reliably rises?
The objection quietly assumes that someone, somewhere, draws worlds at random from a bag — so the odds matter. But no one is drawing anything.
Every island of order exists. Every single one. We are not lucky winners of a lottery — we are simply part of one of them.
An observer can only ever find themselves in a world orderly enough to have observers. And since all such worlds exist, ours exists necessarily, not by chance.
God, worlds and choice
It doesn’t erase God. Our world is a tiny part of the everything, so nothing prevents it from having a creator. What the proof rules out is only one claim: that a single being, without any cause, created all of existence. Only the everything can be without cause. A god, however great, is a part of it, not the whole.
Many stories can be true at once. There is a world indistinguishable from ours that arose by itself, and one that was created by a god. From the inside, where they coincide, no one can tell them apart. They differ only where they diverge — for example, in whether miracles or life after death are possible.
Choice matters. If every path already exists, then what a person chooses — what they seek, what they serve, how they treat others — is what decides which path is theirs. The everything is not a reason to stop caring. It is the reason every choice counts.
- What exists is either nothing, something specific, or everything.
- Not nothing — something is clearly here.
- Not something specific — at the bottom of existence there is no cause, and without a cause nothing can select one specific reality over another.
- Therefore, everything exists.
Everything exists.
You are part of it.
The answer came first. The proof came later.
This answer did not come from the argument above. It came by itself — a quiet, certain sense that the answer was everything, with no reasoning to support it yet.
The step-by-step proof on this page was found much later, as a way of checking what intuition had already shown. Intuition often works like this: it reaches the answer first, and reason catches up.
Intuition Check
A simple, private app for testing and training your intuition. Guess cards, numbers or pictures, and see how your results compare with pure chance. For iPhone, iPad and Mac.