"A good idea is about ten percent and implementation and hard work, and luck is 90 percent"
About this Quote
The subtext is both humbling and strategic. Humbling, because it punctures the ego-driven belief that brilliance deserves a market. Strategic, because it reframes what founders should actually optimize: shipping, distribution, timing, hiring, and endurance. Kawasaki came up through the Silicon Valley era when products lived or died not on novelty alone but on ecosystems (platforms, channels, partnerships) and the ability to ride a wave you didn’t create. His “90 percent luck” isn’t a surrender; it’s a warning against confusing narrative coherence with causality.
There’s also a quiet ethics to it. If luck dominates, then success is less proof of personal superiority than evidence of alignment with circumstances: the right customers, the right moment, the right constraints. That perspective doesn’t kill ambition; it makes it sturdier, because it teaches you to build like you might not get lucky, and to stay ready when you do.
Quote Details
| Topic | Startup |
|---|---|
| Source | Guy Kawasaki — The Art of the Start (2004). Commonly cited phrasing: "Ideas are ten percent; implementation and hard work are 90 percent." |
| Cite | Cite this Quote |
Citation Formats
APA Style (7th ed.)
Kawasaki, Guy. (2026, January 15). A good idea is about ten percent and implementation and hard work, and luck is 90 percent. FixQuotes. https://fixquotes.com/quotes/a-good-idea-is-about-ten-percent-and-77235/
Chicago Style
Kawasaki, Guy. "A good idea is about ten percent and implementation and hard work, and luck is 90 percent." FixQuotes. January 15, 2026. https://fixquotes.com/quotes/a-good-idea-is-about-ten-percent-and-77235/.
MLA Style (9th ed.)
"A good idea is about ten percent and implementation and hard work, and luck is 90 percent." FixQuotes, 15 Jan. 2026, https://fixquotes.com/quotes/a-good-idea-is-about-ten-percent-and-77235/. Accessed 3 Feb. 2026.







