The purity that matters

The purity or cleanliness that matters in the path of yoga, is about the mental purity, where the thinking and acting faculty is free from the influence of the idea of 'I', ignorance, egoism and all kinds of impurities, of incorrect or corrupted thinking and understanding, attachment, identification, desire of craving and aversion, comparison, judgment, expectation, dissatisfaction, disappointment, restlessness, disturbance, hurt, bitterness, resentment, selfishness, self-righteousness, discontentment, greed, lust, jealousy, violence, ill-will, anger, hatred, vengeance, back-biting, slandering, prejudice, discrimination, separateness, superiority or inferiority, pride, arrogance, possessiveness, authoritarian, corruption, grief, sorrow, fault finding, blame, fear and worry, and so on.