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The Tattvartha Sutra states that any qualities accepted from the nature of bad conduct become contaminated and gradually diminish; such a situation is called "adultery." Samyaktva (Right Belief) is the fundamental basis of the conduct of utmost purity, and the purity of conduct is dependent on the purity of right belief. Therefore, the types of extreme conduct that can interfere with the purity of right belief are described here in five parts, as follows:
1. After accepting the viewpoint of the Ahantrapravachana, to doubt some subtle and transcendent substances (which are only knowable through Kevalajnana and Agam) as to whether they actually exist or not is termed "doubt-extreme." Despite the complete place of doubt and examination in Jain epistemology, doubt is described here as an extreme because it means that the seeker does not attempt to scrutinize substances beyond mere logical reasoning; in trying to do so, the seeker ends up abandoning even the knowable realm due to an inability to convert the region of faith into one of understanding. Therefore, the type of doubt that hinders the development of the practice is to be discarded as an extreme.
2. To crave for worldly and otherworldly matters is termed "desire." When such desire arises, the practitioner may abandon the father's teachings at any time, without consideration of the merits and demerits. Hence, it is called the extreme fault of desire.
3. Where there is discord or difference of opinion, one who merely acts with dullness without any decision made by the father…