The following article is from bahai.org.
Just as a candle’s purpose is to provide light, the human soul was created to give generously. We fulfil our highest purpose in a life of service, in which we offer our time, energy, knowledge, and financial resources. “[Y]e must give forth goodly and wondrous fruits, that ye yourselves and others may profit therefrom.”2
‘Abdu’l-Bahá has written, “…the honor and distinction of the individual consist in this, that he among all the world’s multitudes should become a source of social good.”3 Of course, striving to serve humanity is full of challenges, and pursuing such a life of service implies that one must at times be willing to accept some hardship. Yet to sacrifice in this way is not a cause of sorrow; rather it is a bearer of joy—it involves accepting a degree of discomfort for the wellbeing and happiness of others, renouncing that which is lower for that which is higher. As ‘Abdu’l-Bahá has stated, “dying to the self” enables “the radiance of the living God” to “shine forth”.