Surya Siddhanta
तुल्याम्शुजालसम्पर्कात् तयोस् तु प्रवहाहतः। तद्दृक्क्रोधभवो वह्निर् लोकाभावाय जायते॥
Owing to the 'mingling of the nets of their equal rays, the fire arising from the wrathfulness of their gaze, being driven on by the provector (pravaha), is originated unto the calamity of mortals.
english translation