Verse 21

संकल्पनादृते नेह किंचिदेवास्ति कुत्रचित् ।तमेव हृदयाच्छिन्धि किमेतत्परिशोचसि

In plain words

Apart from saṃkalpa, nothing whatever exists anywhere here. Cut that very thing out from your heart — why do you go on grieving over this?