"A good designer must rely on experience, on precise, logic thinking; and on pedantic exactness. No magic will do"
About this Quote
The triad is telling. “Experience” gives you the scar tissue of past failures and the pattern recognition to avoid repeating them. “Precise, logic thinking” is the anti-vibes stance: decisions should be explainable, testable, and composable, not merely defensible after the fact. Then he lands on the loaded phrase, “pedantic exactness,” reclaiming an insult as a virtue. Pedantry, in Wirth’s world, is what keeps systems from collapsing under their own cleverness. The subtext is that ambiguity is expensive, and in software (his native habitat) it’s not just expensive, it’s dangerous: bugs, security flaws, brittle architectures, technical debt that metastasizes.
Context matters: Wirth is speaking from a tradition that treats constraints as the engine of elegance. His famous “Wirth’s law” - software gets slower faster than hardware gets faster - is basically the economic version of this quote. He’s arguing that “magic” is what teams invoke when they don’t want to account for complexity. The rhetoric works because it punctures a comforting story. Design, he insists, is craft under pressure: the relentless conversion of messy reality into something that can’t afford to be mystical.
Quote Details
| Topic | Reason & Logic |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Wirth, Niklaus. (2026, January 16). A good designer must rely on experience, on precise, logic thinking; and on pedantic exactness. No magic will do. FixQuotes. https://fixquotes.com/quotes/a-good-designer-must-rely-on-experience-on-128739/
Chicago Style
Wirth, Niklaus. "A good designer must rely on experience, on precise, logic thinking; and on pedantic exactness. No magic will do." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/a-good-designer-must-rely-on-experience-on-128739/.
MLA Style (9th ed.)
"A good designer must rely on experience, on precise, logic thinking; and on pedantic exactness. No magic will do." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/a-good-designer-must-rely-on-experience-on-128739/. Accessed 12 Feb. 2026.







