This stanza brings out the interdependibaility of God and Man.It is a basic assumption of Hinduism. Man is required to perform sacrifices and make offerings to gods and gods in turn are required to bestow favours on mankind.They both are dependendent on each other.God is no all popwerful despot who can do or undo anything according to his whims and sacrifices. He also derives his sustance from Man.As in human kinggdoms unless the subjects pay taxes regularly and volunteer to recruit in the armed forces the kin'g's domains will not lastDeva means god. Param means the highest.
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Lord Krishna is addressed as paramesvara or the Supreme Sovereign Lord. Although Arjuna has fully accepted all that has been stated by Lord Krishna; he still desires that the Supreme Lord Krishna being the abode of all glorious attributes, out of compassion for His lieges and devotees show His resplendent, unparalleled visvarupa or divine universal form expressive of His divine, transcendental powers such as ruling, protecting, creating, maintaining, sustaining and destroying. Only the Supreme Lord Krishna, the ultimate reality of all realities, who is sublimely unique from everything else in existence is able to reveal this form.........