Rasarnava 12.214

12.214

tatra gatvā vanoddeśe smaredghorasahasrakam
keśāḥ kṣiptāḥ sphuṭantyasmin ātmacchāyā na dṛśyate //

Having gone there into a forest area, one should remember the Ghora a thousand times. / Hairs thrown into this burst, and one's own shadow is not seen;