Shiva Purana
वायुरुवाच ॥ सर्गं चिंतयतस्तस्य तदा वै बुद्धिपूर्वकम् ॥ प्रध्यानकाले मोहस्तु प्रादुर्भूतस्तमोमयः ॥ १ ॥
Vāyu said:— At the time of meditation while he was pondering intelligently, delusion in the form of darkness appeared before him.
english translation
vAyuruvAca ॥ sargaM ciMtayatastasya tadA vai buddhipUrvakam ॥ pradhyAnakAle mohastu prAdurbhUtastamomayaH ॥ 1 ॥
hk transliteration by Sanscript