Kleshas (Hinduism)
Introduction '''''Klesha''''' (, ) is a Sanskrit word meaning "impurity", "corruption" or "poison". In Hinduism, a ''klesha'' is a mental state, such as fear or ignorance, that clouds the mind and leads to unhealthy actions. It is an obstacle to reaching a state of enlightenment and liberation (''moksha'') from ''saṃsāra''.
Five ''kleshas'' The third  of the second chapter of Patañjali's ''Yoga Sūtras'' explicitly identifies the five poisons ():Translated into English, these five ''kleshas'' are:* Ignorance (), the first cause of suffering. It obscures the higher self by firmly establishing negative habits and resisting change* Ego (), attachment to the ego. * Attachment (), desire for material objects, relationships, status, power, or other desires* Aversion () or anger towards unpleasant things, people, and experiences* Clinging to life (), fear of death and desire to live.According to the ''Yoga Sutras'', there are four stages for overcoming the effects of the ''kleshas'': the active stage (''udaram''), the detached stage (''vicchinna''), the decaying stage (''tanu'') and the dormant stage (''parsupta'').
Literature The ''Yoga Sutras of Patanjali'' describe suffering as an impediment to spiritual growth. Yogic practices such as meditation and pranayama breathing exercises provide methods to overcome afflictions. According to ''Shiva Purana'' 2.3.5 and Hathatatvakaumudi, klesha refers to suffering (i.e. suffering caused by penance).
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