Skip to main content

Daily Inspiration Quote by Edward Witten

"Technically you need the extra dimensions. At first people didn't like them too much, but they've got a big benefit, which is that the ability of string theory to describe all the elementary particles and their forces along with gravity depends on using the extra dimensions"

About this Quote

Extra dimensions enter here less like sci-fi garnish than like a hard-nosed accounting fix: if you want one framework to keep gravity in the same ledger as the other forces, the books only balance when spacetime has more room than our senses report. Witten’s “technically” is doing pointed work. It’s a reminder that elegance in theoretical physics isn’t a vibe; it’s constraint satisfaction. String theory’s promise - a single language for particles, forces, and gravity - comes with a price of admission, and that price is dimensional surplus.

The sly cultural subtext is in “At first people didn’t like them too much.” He’s narrating a familiar cycle in high theory: the community’s aesthetic recoil (extra dimensions feel baroque, even desperate) followed by reluctant acceptance once the machinery proves useful. Witten frames the shift not as ideology but as engineering: dislike yields to benefit. That benefit is narrowly specified: not “explaining the universe,” but preserving string theory’s unifying capacity. It’s a rhetorically modest move that makes the claim harder to swat away as metaphysics.

Context matters: Witten, a central architect of string/M-theory and a rare bridge between physics and deep mathematics, is also defending a research program often criticized for being detached from experiment. By tying extra dimensions to internal necessity - the theory’s ability to reproduce known particle content and include gravity consistently - he offers a justification that’s less promotional than structural. The quiet wager is that coherence and unification are not optional virtues; they are the pressure points where reality eventually reveals itself, even if it does so in more dimensions than we can see.

Quote Details

TopicScience
More Quotes by Edward Add to List
Technically you need the extra dimensions. At first people didnt like them too much, but theyve got a big benefit, which
Click to enlarge Portrait | Landscape

About the Author

USA Flag

Edward Witten (born August 26, 1951) is a Mathematician from USA.

19 more quotes available

View Profile

Similar Quotes