Shiva Purana
जलस्याधस्स चाग्निर्हि स्थितोऽग्निं धमते शनैः ॥ वायुनाधम्यमानोऽग्निरत्युष्णं कुरुते जलम् ॥ ४॥
The fire is situated under the water and slowly burns the fire Fire, being reduced by the wind, makes water very hot.
english translation
jalasyAdhassa cAgnirhi sthito'gniM dhamate zanaiH ॥ vAyunAdhamyamAno'gniratyuSNaM kurute jalam ॥ 4॥
hk transliteration by Sanscript