svatantrena maya noktam
This is a central text for the Sri-vidyasampradaya. Bhaskara - raya's commentary on it is justly famous. The one-thousand names of Lalita are the most purifying mantras. Hayagriva declares in conclusion that this supremely great stotra was not composed by him, but was imparted by him as prompted by Mother Lalita Herself:
There are several Siva-sahasranamas. But the one which is in common use is that which occurs in the seventeenth chapter of the Anusasana-parva of the Mahabharata. As we have noted, this Sahasranama contains names selected out of many Sahasranamas; it was imparted to: Sri Krishna by sage Upamanyu. "I all tell you'' says Upamanyu, "about the ancient Brahman, Sarva (Siva) who cannot be described exhaustively by anyone.
Even in a hundred years, one cannot describe-even if he be a yogi-the glories of Siva whose beginning, middle, and end are not known even to the gods."