Verse 48

सुदुष्कृतोत्तमध्यानचारिण्यो धरणीतले ।नियत्या नियतं कालं पीड्यन्ते कीटपङ्क्तयः

In plain words

The rows of worms upon the face of the earth, absorbed as they go in the utmost meditation of deeds most evil, are tormented by Niyati for a fixed span.