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Many of us have heard of the saying：everything is possible if you can just believe.But few of us really know the power of faith and perseverance.South African swimmer Natalie du Toit embodies those virtues.
Du Toit，24，became the first swimmer to compete in both the Olympic Games and the Paralympics (残奥会) in Beijing.Although she finished 16th in the tough 10 km marathon in the ablebodied Games，she has collected three golds in the Paralympics so far.
