Question and answer 21
மனவொடுக்கத்திற்குரிய சாதனங்களில் முதன்மையான தேது?
ப்ராணவொடுக்கமே மனவொடுக்கத்திற்குச் சாதனமாம்.
In plain words
Of all the means for stilling the mind, which is the chief one?
Stilling the breath is itself the means for stilling the mind.
Word for word
Of the disciplines proper to the subsiding of the mind, which is the foremost?
The subsiding of the breath (prāṇa) alone is the means for the subsiding of the mind.