Mbh 1.1.6

“Sauti then said, ‘Having bowed down to the primordial being Isana, to whom multitudes make offerings, and who is adored by the multitude; who is the true incorruptible one, Brahma, perceptible, imperceptible, eternal; who is both a non-existing and an existing-non-existing being; who is the universe and also distinct from the existing and non-existing universe; who is the creator of high and low; the ancient, exalted, inexhaustible one; who is Vishnu, beneficent and the beneficence itself, worthy of all preference, pure and immaculate; who is Hari, the ruler of the faculties, the guide of all things moveable and immoveable; I will declare the sacred thoughts of the illustrious sage Vyasa, of marvellous deeds and worshipped here by all. Some bards have already published this history, some are now teaching it, and others, in like manner, will hereafter promulgate it upon the earth. It is a great source of knowledge, established throughout the three regions of the world. It is possessed by the twice-born both in detailed and compendious forms. It is the delight of the learned for being embellished with elegant expressions, conversations human and divine, and a variety of poetical measures.