Verse 19

प्रशान्तकलनारम्भं चेत्यरिक्तचिदास्पदम् ।पदं जगाम नीरागं पुष्पगन्ध इवाम्बरम्

In plain words

He went to the passionless station where the very onset of kalanā has become still -- an abode of cit that is empty of anything knowable -- as the fragrance of a flower passes into the open sky.