他以佛教作为解易的基础，因为无常观念贯通了本体论、心性论、工夫论和境界论四者，成为变易思想的核心部分。
Buddhism is the basis of his theory , because the concept of " Impermanence " can be found in the theory of ontology , the theory of heart-mind , the theory of effort and the theory of realm . It has been the core part of his theory .
贯通论