The joy of the soul is in glorification of the beloved Lord of all creation.
Spirituality is based on development of character and philosophy.
The transcendental knowledge of devotional service is digested by the engyme of humility.
Humility is not a part of devotional service, it is the heart of devotional service.
Substance of Bhakti is Surrender and Humility.
Compassion is a quality which impels one to perform sacrifices.