Fixing his seat firmly in a clean place, not too high nor too low, and covered over with a sheet of cloth, a deerskin, and (blades of) Kusa (grass), and there seated on (that) seat, fixing his mind exclusively on one point, with the workings of the mind and senses restrained, he should practice devotion for purity of self. Holding his body, head, and neck even and unmoved, (remaining) steady, looking at the tip of his own nose, and not looking about in (all) directions,