40% sureLots of sources credit Marie Curie 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
Widely attributed to Curie's Autobiographical Notes; Wikiquote's own citation ('Java Connector Architecture', 2002) is a clear citation-bot mismatch, not a genuine source.
Work
Autobiographical Notes (appended to Pierre Curie)
Occasion
1923 · Paris · Reflecting on her scientific career's slow progress
Sources checked
en.wikiquote.orgChecked using claude-sonnet-5, 21 August 2026Listed in main Quotes list but citation is a mismatched/bogus book reference
Nothing made from these words yet — Storyfaire is where they get made.