Skip to main content

Life & Wisdom Quote by Alvin Toffler

"One of the definitions of sanity is the ability to tell real from unreal. Soon we'll need a new definition"

About this Quote

Toffler’s line lands like a calm diagnosis right before the sirens start. He opens with an almost clinical baseline - sanity as reality-testing, the basic cognitive filter that keeps a person functional. Then he yanks that floor away: “Soon we’ll need a new definition.” The punch isn’t that people are getting “crazy.” It’s that the environment is being engineered to make the old test obsolete.

The intent is both warning and provocation. Toffler, writing from a career obsessed with acceleration (“future shock,” information overload, the social whiplash of rapid change), isn’t describing a private mental breakdown so much as a public one. When technology, media, and institutions can manufacture convincing simulations at scale, “real vs. unreal” stops being a stable binary. The subtext is brutally modern: the burden of verification gets shoved onto individuals while the systems that produce confusion profit from it. If you’re exhausted, that’s not a personal failure; it’s the point.

What makes the quote work is its sly reframing of sanity as a moving target. We treat “sanity” like a timeless standard, but Toffler suggests it’s partly a contract between minds and their informational habitat. Change the habitat fast enough - through propaganda, advertising, spectacle, or now deepfakes and algorithmic feeds - and the contract breaks. His final sentence reads as prophecy and dare: if reality is becoming a contested interface, then mental health may depend less on certainty and more on adaptive skepticism, media literacy, and the humility to say “I don’t know yet.”

Quote Details

TopicTruth
SourceHelp us find the source
Cite

Citation Formats

APA Style (7th ed.)
Toffler, Alvin. (2026, January 16). One of the definitions of sanity is the ability to tell real from unreal. Soon we'll need a new definition. FixQuotes. https://fixquotes.com/quotes/one-of-the-definitions-of-sanity-is-the-ability-126189/

Chicago Style
Toffler, Alvin. "One of the definitions of sanity is the ability to tell real from unreal. Soon we'll need a new definition." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/one-of-the-definitions-of-sanity-is-the-ability-126189/.

MLA Style (9th ed.)
"One of the definitions of sanity is the ability to tell real from unreal. Soon we'll need a new definition." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/one-of-the-definitions-of-sanity-is-the-ability-126189/. Accessed 7 Feb. 2026.

More Quotes by Alvin Add to List
Defining Sanity: Real vs Unreal in Toffler's Vision
Click to enlarge Portrait | Landscape

About the Author

USA Flag

Alvin Toffler (October 4, 1928 - November 27, 2016) was a Author from USA.

18 more quotes available

View Profile

Similar Quotes

George Santayana, Philosopher
George Santayana
Susan Sontag, Author
Susan Sontag