55% sureLots of sources credit Malala Yousafzai 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
Nobel Peace Prize winner remarks, October 10, 2014 — Wikiquote entry; date labeled 'winner speech' by the source, likely the announcement-day remarks rather than the formal Dec. 10 Oslo lecture.
Work
Nobel Peace Prize winner remarks
Occasion
2014 · response on being named 2014 Nobel Peace Prize laureate
Sources checked
en.wikiquote.orgChecked using claude-sonnet-5, 21 August 2026Nobel Peace Prize Winner Speech section
Nothing made from these words yet — Storyfaire is where they get made.