Verse 8

अदृश्यैवात्ति मांसास्थिरुधिरादि शरीरकात् ।मनोबिलविलीनैषा तृष्णावनशुनी नृणाम्

In plain words

Unseen, she devours flesh, bone, blood, and all the rest from the poor body; hidden away in the burrow of the mind, this is tṛṣṇā, the she-jackal of men.