"I am opposed to the laying down of rules or conditions to be observed in the construction of bridges lest the progress of improvement tomorrow might be embarrassed or shackled by recording or registering as law the prejudices or errors of today"
About this Quote
His intent is not anti-safety so much as anti-complacency. “Recording or registering as law” targets the bureaucratic impulse to treat innovation as a nuisance to be managed. Brunel is defending iteration: materials evolve, calculations sharpen, construction methods change, and the “errors of today” become painfully obvious only after someone pushes past them. Codifying present practice, he suggests, is a way of mistaking current consensus for permanent truth.
The subtext is a power struggle. Engineers like Brunel were building at the edge of what iron, steam, and mathematics could reliably do, in an era when public works meant public scrutiny, parliamentary committees, and investors who wanted predictability. His warning reads like preemptive resistance to regulators and rivals who could weaponize “conditions” to block ambitious designs under the banner of prudence.
Context matters: mid-19th century Britain was obsessed with infrastructure and regularly burned by it - collapsed bridges, boiler explosions, railway crashes. Standards were emerging because failure had consequences. Brunel’s line acknowledges that pressure while insisting that progress comes from controlled risk, not ossified procedure. It’s a case for flexible oversight: judge outcomes, demand evidence, but don’t mistake yesterday’s workaround for a timeless principle.
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Citation Formats
APA Style (7th ed.)
Brunel, Isambard K. (2026, January 15). I am opposed to the laying down of rules or conditions to be observed in the construction of bridges lest the progress of improvement tomorrow might be embarrassed or shackled by recording or registering as law the prejudices or errors of today. FixQuotes. https://fixquotes.com/quotes/i-am-opposed-to-the-laying-down-of-rules-or-75714/
Chicago Style
Brunel, Isambard K. "I am opposed to the laying down of rules or conditions to be observed in the construction of bridges lest the progress of improvement tomorrow might be embarrassed or shackled by recording or registering as law the prejudices or errors of today." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/i-am-opposed-to-the-laying-down-of-rules-or-75714/.
MLA Style (9th ed.)
"I am opposed to the laying down of rules or conditions to be observed in the construction of bridges lest the progress of improvement tomorrow might be embarrassed or shackled by recording or registering as law the prejudices or errors of today." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/i-am-opposed-to-the-laying-down-of-rules-or-75714/. Accessed 12 Feb. 2026.







