Ramayana
अवगाह्य जलं यो यः प्राणी ह्यासीत् प्रहृष्टवत् । मानुषं देहमुत्सृज्य विमानं सो ऽध्यरोहत ॥ 7-110-24 ॥
Whatever living being, full of delight, immersed itself in the water cast off its human body and ascended into a celestial chariot.
english translation