 The different schools' understandings are based upon their conceptions of the nature of the supreme Being (see Brahman, Paramatma and Ishvara) and how the individual soul (atma or jiva) dictates, or is dictated by karma within the illusory existence of maya.In both Dvaita and Advaita schools, and also in the many other traditions within Hinduism, there is a strong belief in destiny and that both the past and future are known, or viewable, by certain saints or mystics as well as by the supreme being (Ishvara) in traditions where Ishvara is worshipped as an "all-knowing being".In the Bhagavad Gita, the Avatar, Krishna says to Arjuna