Verse 21

चेतनं चित्तरिक्तं हि प्रत्यक्चेतनमुच्यते ।निर्मनस्कस्वभावं तन्न तत्र कलनामलः

In plain words

The conscious emptied of citta is indeed called pratyak-cetana, the consciousness turned inward; its nature is without manas, and there the stain of kalanā has no place.