"I saw the board with number 31 on it and thought my brother had got a penalty. I thought 'What an idiot Alistair, you've got a penalty'. Then I looked at my arm and realised I was number 31."
~Britain's Jonathan Brownlee took bronze in triathlon after receiving a 15-second penalty for getting on his bike too early. His brother Alistair took gold.
"My mother used to tell us in the mornings, 'Carl put on your shoes, Oscar you put on your prosthetic legs... So I grew up not really thinking I had a disability. I grew up thinking I had different shoes."
-South African runner Oscar Pistorius, nicknamed 'Blade Runner' because he races on carbon fibre prosthetic blades, talks about growing up playing sports with brother Carl.
"...And, you know, being able to wear the stars and stripes, when you step up on one of the blocks or, you know, when you step off of an airplane or when you hear the national anthem play, you know, it's one of the greatest feelings in the world because you know that there are people at home who are supporting you and watching you.
"I couldn't ask to finish on a better note," Phelps said. "I have done everything I wanted to do. I am very happy."
~Michael Phelps (after his last olympic race, the Medley Relay)