In a recent daily meditations, Richard Rohr, OFM, speaks about what it means to follow the Franciscan vocation:
To be a Franciscan is nothing other than always searching for “the marrow of the Gospel” as [Francis] called it. Francis said the purpose and goal of our life is to live the marrow or core of the Gospel. Honestly, the core is so simple that it’s hard to live.
You can read the entire meditation here.