The concentration of the mind together with the regulation of the vital airs. O king, is one sort. The concentration of the mind along with subjugation of the senses, is of another sort. The first kind of Yoga is said to be that possessed of qualities; the second kind is said to be that freed from qualities.
धारणं चैव मनसः प्राणायामश्च पार्थिव। एकाग्रता च मनसः प्राणायामस्तथैव च॥