Matsya Purana 181.32

181.32

athottarāṃ kathāṃ divyāmavimuktasya śobhane.
skando vakṣyati māhātmyamṛṣīṇāṃ bhāvitātmanām .. 180.32 ..

Dear! the other sacred places that exist in the three Lokas always remain at the feet of Avimukta. Your son, Svâmî Kârtika will relate the glory of Avimukta and the glories of the Ṛiṣis, who will come in future." —31-32