31 - 35
1.31 . Pain, despair, nervousness, and disordered inspiration and expiration are co-existent with these obstacles.
1.32 . For the prevention of the obstacles, one truth should be practiced constantly.
1.33 . By cultivating friendliness towards happiness and compassion towards misery, gladness
towards virtue and indifference towards vice, the mind becomes pure.
1.34 . Optionally, mental equanimity may be gained by the even expulsion and retention of energy.
1.35 . Or activity of the higher senses causes mental steadiness.