Verse 39

स्वस्वभाववशावेशादन्योन्यपरिघट्टनैः ।सृष्टयः परिवर्तन्ते तरङ्गिण्या इवोर्मयः

In plain words

Overtaken by the sway of their own respective natures, through mutual collision with one another, creations turn and revolve — like the waves of a river.