Lots of sources credit Michael Phelps with this, and they agree with each other. The book or the speech it first came from hasn't turned up yet.
What turned up
Reported quote from 2008 Olympic Games press coverage (per Wikiquote's sourced section). No primary archive found; widely and consistently attributed to Phelps.
Occasion
2008 · reported during the 2008 Olympic Games
Sources checked
en.wikiquote.orgChecked using claude-sonnet-5, 21 August 2026Sourced section, dated 16 August 2008
Nothing made from these words yet — Storyfaire is where they get made.