"Human behavior is incredibly pliable, plastic"
About this Quote
The specific intent is corrective and unsettling. Zimbardo is pushing back on the comforting story that cruelty, obedience, or heroism are stable traits housed inside “good” or “bad” individuals. His career argued for the power of situations: swap the context and you can reliably swap the person. The phrasing matters. “Pliable” suggests bendable under pressure; “plastic” suggests re-moldable, even mass-producible. That second word drags the idea into the industrial age: behavior as something a system can shape at scale, like a product.
The subtext is moral and political. If behavior is malleable, then blame and praise can’t land only on individuals; they must travel upstream to designs of power. It’s also an implicit rebuke to the “I would never” fantasy that keeps decent people complacent. Zimbardo’s broader context - debates over research ethics, prison abuse, wartime atrocities, corporate culture - turns the quote into a challenge: if environments can script ordinary people into harm, then redesigning environments is not social engineering. It’s harm reduction.
Quote Details
| Topic | Deep |
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| Source | Help us find the source |
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Citation Formats
APA Style (7th ed.)
Zimbardo, Philip. (2026, January 15). Human behavior is incredibly pliable, plastic. FixQuotes. https://fixquotes.com/quotes/human-behavior-is-incredibly-pliable-plastic-106327/
Chicago Style
Zimbardo, Philip. "Human behavior is incredibly pliable, plastic." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/human-behavior-is-incredibly-pliable-plastic-106327/.
MLA Style (9th ed.)
"Human behavior is incredibly pliable, plastic." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/human-behavior-is-incredibly-pliable-plastic-106327/. Accessed 12 Feb. 2026.





