Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 13

Sanskrit:

अन्तर्बहिश्चाद्भ‍िरतिद्युभि: खरै:शतह्रदाभिरुपतापितं जगत् ।चतुर्विधं वीक्ष्य सहात्मना मुनि-र्जलाप्लुतां क्ष्मां विमना: समत्रसत् ॥ १३ ॥

ITRANS:

antar bahiś cādbhir ati-dyubhiḥ kharaiḥśatahradābhir upatāpitaṁ jagatcatur-vidhaṁ vīkṣya sahātmanā munirjalāplutāṁ kṣmāṁ vimanāḥ samatrasat

Translation:

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.

Purport:

Here the word catur-vidham refers to the four sources of birth for conditioned souls: embryos, eggs, seeds and perspiration.