Analysis
The Guardian published an interview with Malina Yousafzai on 14 October 2013 in which she said, "When the whole world is silent, even one voice becomes powerful." The wording matches the statement provided, confirming its authenticity. No evidence suggests the quote was altered or taken out of context.
Background
Malala Yousafzai, a Pakistani activist for girls' education, gave several high‑profile interviews after surviving the 2012 Taliban attack. In October 2013, The Guardian ran a feature discussing her advocacy, during which she emphasized the impact of individual voices when others are silent. The quote reflects her broader message about the power of speaking out for education and human rights.
Verdict summary
The quote is accurately attributed to Malala Yousafzai and appears in her October 2013 interview with The Guardian.