It's a misquote from the Elon Musk Wait But Why article: http://waitbutwhy.com/2015/05/elon-musk-the-worlds-raddest-man.html http://waitbutwhy.com/2015/05/elon-

It's a misquote from the Elon Musk Wait But Why article: http://waitbutwhy.com/2015/05/elon-musk-the-worlds-raddest-man.html http://waitbutwhy.com/2015/05/elon-musk-the-worlds-raddest-m... "the four entities in history who have managed to launch a spacecraft into orbit and successfully return it to Earth are the US, Russia, China—and SpaceX"