SB 8.16.58

etat payo-vrataṁ nāma
 puruṣārādhanaṁ param
pitāmahenābhihitaṁ
 mayā te samudāhṛtam
Synonyms: 
etat — this; payaḥ-vratam — ceremony known as payo-vrata; nāma — by that name; puruṣa-ārādhanam — the process of worshiping the Supreme Personality of Godhead; param — the best; pitāmahena — by my grandfather, Lord Brahmā; abhihitam — stated; mayā — by me; te — unto you; samudāhṛtam — described in all details.
Translation: 
This is the religious ritualistic ceremony known as payo-vrata, by which one may worship the Supreme Personality of Godhead. I received this information from Brahmā, my grandfather, and now I have described it to you in all details.