Shiva Purana
दृष्ट्वा वृहस्पतिस्त्वेनम्प्रज्वलन्तं स्वतेजसा ॥ पुरुषं तं धियामास प्रणनाम हरं द्रुतम्॥ २० ॥
On seeing the Puruṣa blazing thus in his own brilliance Bṛhaspati knew him to be Śiva and bowed to him soon.
english translation
dRSTvA vRhaspatistvenamprajvalantaM svatejasA ॥ puruSaM taM dhiyAmAsa praNanAma haraM drutam॥ 20 ॥
hk transliteration by Sanscript