I read the following in a devotional recently: 

As followers of Christ our passion for the Savior needs to both drive and define our purpose for living.  Brennan Manning, in his book The Lion and the Lamb, writes about two ways of discerning our passion and purpose.  First, he advises us to recall what has saddened us recently.  He asks,

Was it the realization that you don’t love Jesus enough, that you don’t seek his face in prayer often enough, that you can’t honestly say that the greatest thing that ever happened in your life is that he came to you and you heard his voice?  Or have you been saddened and depressed over a lack of human respect, criticism from an authority figure, financial problems, lack of friends or your bulging waistline?

Then he asks the question,

What has gladdened you recently?  Reflection on your election to the Christian community, the joy of praying, “Abba, I belong to you?”  The afternoon you stole away with the gospel as your only companion, the filling awareness that God loves you unconditionally, just as you are and not as you should be?  A small victory over selfishness?  Or, were the sources of your gladness enjoying a new car, a suit, a movie and a pizza, a trip to Paris?

By asking ourselves these questions we come face-to-face with what makes us tick as individuals.  What are the primary motivations in our lives?  Then we can begin to take our personal passion and purpose and apply it organizationally.