अन्तर्जलविधौ तस्मिन्विस्मृतध्यानमन्त्रधीः ।पर्यस्तसंवित्प्रसरः सोऽपश्यज्जलमध्यतः
In plain words
In that rite of submersion, his thought of meditation and mantra forgotten, the flow of his consciousness overturned, he saw, from within the midst of the water --