# Elon Musk and His Mars Dream ###### tags: `thread` It's in the details that you can tell what a person's goals are. In 2001 Musk and PayPal executives celebrated on a vacation in Las Vegas. Kevin Hartz, an early PayPal investor, later recalled that "we were all chatting in a cabin inside the Hard Rock Cafe while Elon read an obscure Soviet rocket manual that was moldy and appeared to have been purchased from eBay.