This is an older photo, but it surfaced Sunday on Twitter and was passed around the Web after Pistorius raced. It reminds viewers that what Pistorius did for other amputees is immeasurable. Around the world, there were people who are missing arms and legs who looked at him and thought, "If he can do it ..." Ellie Challs, the young girl he is racing here, saw a man who looked like her, but didn't accept limits.
Oscar Pistorius In London - Track & Field Slideshows | South Africa's Oscar Pistorius starts in a men's 400-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics. (Photo: Anja Niedringhaus / Associated Press) #NBCOlympics
McKayla Maroney of the United States stands on the podium with her silver medal during the medal ceremony following the Artistic Gymnastics Women's Vault final on Day 9 of the London 2012 Olympic Games at North Greenwich Arena on August 5, 2012 in London, England
Michael Phelps (L) and Missy Franklin (R) pose with watches given to them as the best performers at the U.S. Olympic swimming trials, in Omaha, Nebraska, July 2, 2012. REUTERS/Jeff Haynes (UNITED STATES - Tags: SPORT SWIMMING OLYMPICS)