I've been thinking about this subject for a long time and through what I've learned of my own behaviour, the true essence of success is not necessarily how much you earn, what you own (though these things can of course be lovely) but how PEACEFUL you are, how CONNECTED you are and how INTEGRATED you are.
Follow your passion yes but learn how to do that in harmony with those around you and you'll have the key to a blissful and prosperous life.
Have a wonderful weekend!