Verse 67

कल्पनामात्रकलिता सत्यैषा हि न वस्तुतः ।असंकल्पनमात्रेण दात्रेणेव विलूयते

In plain words

This is made of nothing but imagining; in fact and in truth, it is not real at all. By mere absence of that imagining alone, it is mown down, as if by a sickle.