antar bahis cadbhir ati-dyubhih kharaih
satahradabhir upatapitam jagat
catur-vidham viksya sahatmana munir
jalaplutam ksmam vimanah samatrasat
The sage saw all the inhabitants of the universe, including himself, tormented within and without by the harsh winds, the bolts of lightning, and the great waves rising beyond the sky. As the whole earth flooded, he grew perplexed and fearful.
Here the word catur-vidham refers to the four sources of birth for conditioned souls: embryos, eggs, seeds and perspiration.