Mahabharata 12.294.8
एकाग्रता च मनसः प्राणायामस्तथैव चप्राणायामस्तु सगुणो निर्गुणो मनसस्तथा
ekāgratā ca manasaḥ prāṇāyāmastathaiva caprāṇāyāmastu saguṇo nirguṇo manasastathā
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book