Word: 天人合一 (tiānrénhéyī) 天人合一 dictionary entry tiānrénhéyī oneness of heaven and humanity; the theory that man is an integral part of nature Full dictionary entry for 天人合一 Example sentences using 天人合一 2 sentences, showing page 1 of 1. 古人相信天人合一。 Gǔrén xiāngxìn tiānrénhéyī. The ancients believed in the oneness of heaven and humanity. 天人合一是什么意思？ Tiānrénhéyī shì shénme yìsi? What does the unity of heaven and man mean?