Supersymmetry and Buddhism don’t usually get mentioned in the same sentence, but I keep coming back to this pairing, because it’s a rare case where the physics is genuinely honest about its own uncertainty — and that honesty is, I think, exactly the right posture for approaching the Four Immeasurables too.
What Supersymmetry Actually Claims
Supersymmetry is one of the most elegant ideas in modern physics. It proposes that every known particle has a hidden partner — a superpartner — differing only by half a unit of spin. For every electron, a selectron. For every quark, a squark. If it’s real, it would mean the universe is built on a symmetry so deep it doubles the entire particle zoo.
🔬 THE SCIENCE — AN HONEST NOTE
It’s important to be straight about this: supersymmetry remains entirely unconfirmed. Decades of searching at the Large Hadron Collider have found zero superpartner particles, and mass limits keep climbing as physicists rule out simpler versions of the theory. Some physicists now consider the simplest forms of supersymmetry effectively dead. It may still be true in some more complex form we haven’t found the right experiment for yet — or it may not be true at all. What follows is a comparison between a Buddhist practice with 2,500 years of lived contemplative evidence behind it, and a physics theory with real mathematical elegance but, so far, no experimental confirmation. That asymmetry matters, and I don’t want to paper over it.
The Four Immeasurables
What draws me to the comparison anyway is the shape of the idea, not its proof. Vajrayana Buddhism centers on cultivating what are called the Four Immeasurables:
1. Loving-kindness (Metta) — the wish for all beings to experience happiness and well-being.
2. Compassion (Karuna) — the empathetic desire to alleviate the suffering of others.
3. Sympathetic joy (Mudita) — rejoicing in the happiness and success of others.
4. Equanimity (Upekkha) — maintaining a balanced, non-reactive mind in the face of both joy and suffering.
These four qualities aren’t separate achievements to collect one at a time. They’re meant to be cultivated as boundless — without limit, without a fixed object, extended to all beings equally. That’s the part that echoes supersymmetry for me: not the physics itself, but the shape of the claim. A hidden symmetry. A completeness that isn’t visible yet, or isn’t visible to everyone, but that would explain far more than what we can currently see if it turned out to be real.
Where the Comparison Actually Holds
I want to be careful here, because it’s easy to force a parallel that isn’t really there. What I think does hold is this: both supersymmetry and the Four Immeasurables are claims about a deeper unity underneath apparent separateness. Supersymmetry says the boson and fermion families of particles, which look completely different, might be two expressions of one underlying structure. The Four Immeasurables say the boundary between self and other — the felt sense that your happiness and mine are separate projects — is a kind of veil, not a fact, and that practice can loosen it.
Equanimity in particular is the one that maps most interestingly onto supersymmetry’s own situation. Equanimity isn’t indifference — it’s the capacity to stay balanced whether or not the evidence confirms what you hoped for. That’s not a bad description of where supersymmetry stands right now, either: a beautiful hypothesis, held by serious people, without yet the confirmation that would settle it. Practicing equanimity toward an unresolved question, in physics or in meditation, isn’t the same as giving up on it.
Closing
I don’t think supersymmetry proves anything about Buddhism, and I don’t think Buddhism proves anything about supersymmetry. What I think is that both are asking the same underlying question in different languages: is the separation we perceive — between particle and partner, between self and other — the whole truth, or only the surface of something more unified underneath? Physics may answer its version of that question at the next collider upgrade, or the one after that, or never. The Four Immeasurables don’t wait on an experiment. You can start now.
QP
Further Reading
• Coemergence of Subject, Object, and Action
• Panpsychism, Could It Really Be True?
Sources
• The Four Immeasurables (Brahmavihārā)
• The Status of Supersymmetry, Symmetry Magazine
🌀 Sound is Emptiness — Emptiness is Sound 🌀
QP
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