Verse 41

संसक्तमनसामस्मिन्संसारे व्यवहारिणाम् ।अत्ति तृष्णा शरीराणि तृणान्यग्निशिखा यथा

In plain words

Of those whose minds are attached, who go about their business in this saṃsāra, tṛṣṇā devours their bodies, as a tongue of flame devours grass.