मित्र and वरुण guide the sacrifices and rituals, providing protection and fulfilling desires [rv-8-101-1 ] rv • Book 8 . They send victory-giving forces and oversee human abodes [rv-8-101-6 ] rv • Book 8 . Invocations request divine favor from the नासत्यास् , वायु , and the सुन् , extolling their might and reinforcing righteousness [rv-8-101-7 ] rv • Book 8 . The sacred cow symbolizes speech and divine utterance, essential for worship and not to be harmed [rv-8-101-13 ] rv • Book 8 .