Shiva Purana
चरा ऊचुः ॥ देवो वाऽथ ऋषिश्चैव सूर्यो वाथ विभावसुः ॥ तपश्चरति देवेश न जानीमो वने च तम् ॥ ३६ ॥
Indra’s spies said:— O lord of gods, we do not know who it is. Some one is performing a penance in the forest, a god, a sage, the sun or the fire.
english translation
carA UcuH ॥ devo vA'tha RSizcaiva sUryo vAtha vibhAvasuH ॥ tapazcarati deveza na jAnImo vane ca tam ॥ 36 ॥
hk transliteration by Sanscript