If you’re only working to serve someone else. stop. Only when you're following your true passions - in the case of Peter Diamandis, founder of X PRIZE and multi-time space entrepreneur and enthusiast - can you withstand the bumpy path to success. And if you're unsure of where your passions lie, simply revisit what you daydreamed about most from your childhood. This, says Diamandis, is where all the biggest ideas first hatch.