Only reason to make money is to colonise Mars: Elon Musk
Space exploration startup SpaceX's Founder Elon Musk while revealing his plan to set up a human colony on Mars said, "The main reason I’m personally accumulating assets is to fund this." Regarding the plan's funding, Musk said, "I think the support will snowball over time." He is willing to spend his personal assets worth $8.6 billion to fund the plan.