True fasting is self-purification; and from this, a rich inner life brings about values such as justice, generosity, patience, kindness, forgiveness, mercy and empathy – values that are indispensable for the success of the community. Consciousness of behavior and vigilance over action are the most profound dimensions of fasting: the fasting of the heart focuses on the attachment to the divine.
The essence of Ramadan is to become Humble
http://newsweek.washingtonpost.com/onfaith/guestvoices/2010/08/the_essence_of_ramadan_is_to_become_humble.html