Elon Musk risked his entire fortune to pursue his dream of making humanity multi-planetary through SpaceX. Justine Musk, his ex-wife, revealed that he was so dedicated to his vision that he was willing to move in with her parents if his endeavor failed. Despite the risks, his relentless ambition and financial commitment exemplify the kind of obsession needed to build rockets and change the world. This illustrates that chasing seemingly impossible dreams often requires putting everything on the line, a gamble that is reshaping humanity's future.