This is from the wonderful site, DailyOM.
Most humans are not born consciously knowing what their purpose is. It must be found through exploration.
Most living things belong to a particular soul group and are born knowing their purpose in life. An animal will spend its day foraging for food, taking care of itself and its young, and creating a home. No one tells an animal to do this, yet it instinctively knows how. Humans, for the most part, are not born consciously knowing what their purpose is.
Purpose gives our life meaning. When you discover your purpose, you can live your life with intention and make choices that serve your objective for why you are here on the planet. Finding your purpose is not always easy. You must embrace life wholeheartedly, explore many different pathways, and allow yourself to grow. Your purpose is as unique as you are and will evolve as you move through life. You don’t need anyone’s permission to fulfill your purpose, and no one can tell you what that purpose is. Finding and fulfilling your purpose can be a lifelong endeavor. To figure out what your purpose is, ask yourself what drives you — not what forces you out of bed in the morning, but what makes you glad to be alive. Make a list of activities that you wish you were involved in or think about a career path that you would love to embark upon. These are the endeavors that can help you fulfill your purpose and bring you the most satisfaction.
Picture yourself working on projects that don’t interest you or fulfill your purpose, yet they help satisfy your basic survival needs. Imagine how living this way each day would make you feel. Next, picture yourself devoting your time to projects that spark your imagination, inspire, excite, and satisfy you. More often than not, these activities are some of the ways that you can fulfill your life purpose. Time spent on these endeavors will never feel like a waste. Live your life with purpose, and you will feel significant and capable because every action you take and each choice you make will have meaning to it.