As with Yamas , Patanjali explains how and why each of the above Niyamas help in the personal growth of an individual. For example, in verse , Patanjali states that the virtue of contentment and acceptance of others as they are ( Santoṣa ) leads to the state where inner sources of joy matter most, and the craving for external sources of pleasant ceases.  Other texts of the Yoga school expanded the list of values under Niyamas , to include behaviors such as Āstika (आस्तिक, belief in personal God, faith in Self, conviction that there is knowledge in Vedas/Upanishads), Dāna (दान , charity, sharing with others),  Hrī (ह्री, remorse and acceptance of one's past/mistakes/ignorance, modesty)  Mati (मति, think and reflect, reconcile conflicting ideas)  and Vrata (व्रत, resolutions and vows, fast, pious observances).   
It should be quite clear that one can continue to exist without thinking, and that such a thoughtless condition must be possible. However, if one simply tries to stop thinking - just for a moment - we encounter the resistance of our ego. But since the ego cannot consist of anything more than thoughts, it can be weakened by meditation on a Mantram , which for a Jnana Yogi is simply I . Like Hatha and Radja Yogis, Jnana Yogis also acknowledge the relationship between breathing and thinking. However, they have found that breathing slows automatically through the concentration on the I-AM, and so less importance is placed on pranayama exercises.