पर्जन्य , the divine rain-bringer, is invoked to bestow sustenance and fertility upon एअर्थ् , ensuring the fertility of plants, animals, and humans alike. Through अग्नि 's mouth, the gods are offered the most exquisite offerings, urging पर्जन्य to provide nourishment without fail, thus maintaining the cycle of life and abundance [rv-7-102-1 ] rv • Book 7 [rv-7-102-2 ] rv • Book 7 [rv-7-102-3 ] rv • Book 7 .