5.6 Samnyasastu etc.  [Here] the word tu is used in the sense of   'affirmation'  and it is to be construed in a different order.  [Hence the meaning is] :  For a person without Yoga, it is certainly hard to attain renunciation.  Because, as it has been already shown logically, it is difficult  to renounce actions.  But, it is certainly easy for men of Yoga to attain this.  That has been said earlier.