Verse 36

पादाङ्गुष्ठाच्छिरो यावत्कणशः प्रविचारितम् ।न लब्धोऽसावहं नाम कः स्यादहमिति स्थितः

In plain words

Examined particle by particle, from the big toe up to the head, no such thing named 'I' is found there at all. Who, then, could there be that stands as 'I'?