Whether we know it or not, you and I are also instruments for infinite intelligence. We have the daily opportunity to have a "peak experience" because we too have come to give form and expression to the divine essence of life.
Here's the problem I see: we can't rely upon raw passion by itself to sustain our efforts over time, because like all emotions, it will come and go. Can passion effectively fuel our desire? Absolutely. Is it sustainable? I don't think so.