Verse 33

उपविश्योपविश्यैकचित्तकेन मुहुर्मुहुः ।अथवैनं क्रमं त्यक्त्वा चित्ताक्रमणमेव चेत्

In plain words

Sitting down, sitting down again and again, with citta made one -- or else, abandoning this sequence, if a direct assault on citta alone