Mystic Vision
The sweet qualities and pastimes of Sri Krishna as described in the ripened fruit of the Vedic tree of knowledge, Srimad-Bhagavatam, are the personal realizations of Srila Vyasadeva from his spiritual vision. By following the instructions of a self realized Guru such as Narada Muni, Vyasadeva obtained devotional samadhi ( Trance \ Mystic Vision  )  and saw the form of Sri Krishna. Vyasadeva then described the sweet qualities of Krishna's form and activities ( Lilas ), for he realized that by developing devotion to the form and pastimes of Lord Krishna living entities ( Souls ) could drive away all varieties of lamentation, illusion and fear and gradually enter into a blissful relationship with the personality of Godhead ,His associates and Holy Abode.