Yoga Vasistha (Sanskrit: योग-वासिष्ठ) is a philosophical text attributed to Sage Valmiki. The complete text contains over 29,000 verses. The short version of the text is called Laghu Yogavasistha and contains 6,000 verses. There is also Yoga Vasishtha Sara, the essence of Yoga Vasishtha.
The text is named after Sage Vasistha who was called as the first sage of the Vedanta school of Hindu philosophy by Adi Shankara. The text is structured as a discourse of Sage Vasistha to Prince Rama.
Yoga~Vasishtha

