There have been three main phases of Taoist philosophy. The starting point was the preservation of life and avoiding of injury by Yang Chu's method of escaping. The later idea in Lao-Tzu expressed an attempt to seek the unchangeable laws underlying the changeable things and act in conformity with them. The last elevation developed in Chuang-Tzu illustrated that one can transcend the existing world from higher point of view, or escape from this world to another world.
1. 杨朱思想概括：人人为己；（轻物重生）；走中道。
2. 道家三阶段思想：
生命、遁逃；把自身从社会中抽离
法则、道法自然；变中求不变，让自身寻求中道
物我两忘、道德。把肉身抽离到更高维度，统一
3. 高手思维：用更高的思维/角度去统一对立
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