Shiva Purana
कमलैस्सरसो जातैर्मानसाख्यान्मुनीश्वराः ॥ बद्ध्वा चैवासनं तत्र न चचाल हरिस्स्वयम् ॥ १४ ॥
O great sages, he worshipped with the lotus-flowers growing in the Mānasa lake. He sat firmly in the Yogic posture and did not move at all.
english translation
kamalaissaraso jAtairmAnasAkhyAnmunIzvarAH ॥ baddhvA caivAsanaM tatra na cacAla harissvayam ॥ 14 ॥
hk transliteration by Sanscript