Ramayana
मेघाम्बुसिक्तो वर्षासु वीरासनमसेवत । नित्यं च शिशिरे काले जलमध्यप्रतिश्रयः ॥ 7-10-4 ॥
During the rains, drenched by the water of the clouds, he kept to the heroic posture; and in the cold season he always made his dwelling in the midst of water.
english translation