The prostheses do not run the race on their own: there is an athlete who does the work, and the prosthetics do not make a significant difference to the time.

In 2008, Pistorius was the only guy who could run under 22 seconds at 200 m. So I said I would run as fast as that in London. I practised; I trained.

Nobody who has even kicked a ball in the street likes losing.

Yeah, it changes the dynamics of the race because he is such a big-time marathoner. And I definitely think it opens up a spot because someone of his caliber, even if he were coming in at 75 percent, would be a 2:10-type runner.

What I like to do is try to make a difference with the work I do.

No work is insignificant. All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence.