Taoism
Moderation is considered a key part of one's personal development in Taoist philosophy and religion and is one of the three jewels of Taoist thought. There is nothing that cannot be moderated including one's actions, ones desires and even thoughts. It is believed that by doing so one achieves a more natural state, faces less resistance in life and recognises one's limits. Taken to the extreme, moderation is complex and can be difficult to not only accept, but also understand and implement. It can also be recursive in that one should moderate how much one moderates (i.e. to not be too worried about moderating everything or not to try too hard in finding a middle ground). Moderation as a principle of Taoist Philosophy turns up in all three of its main texts. It is a lifelong process attempting to moderate oneself as there is no specific goal nor guide one can use making it an internal process as well as ongoing (or unending).
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