Verse 17

यथा मशकजालानि वर्षादिष्वाकुलानि तु ।उत्पत्त्योत्पत्त्य नश्यन्ति तथेमा लोकसृष्टयः

In plain words

As swarms of mosquitoes, teeming in the rainy season and the like, arise again and again and perish, so are these creations of worlds.