What is the real original of 微妙在智，触类而长 ，玄通阴了， 巧夺造化 I was trying, in my poor way, to make sense of these old 4 character stanzas from 郭璞《葬经》.

微妙在智，触类而长 ，玄通阴了， 巧夺造化

An American told me, this is not correct, I should look up the original first. It should be:

微妙在智，触类而长 ，玄通阴阳， 巧夺造化

This was written a long time ago. The 'original' most probably does not exist. How can I know what is the original? 

I find both versions on baidu.
the 四庫全書 (imperial collection of four), 文淵閣 version,  had the book 葬書. the author was marked as "郭璞" of 晉 dynasty.

my mistake here, as another comment indicated, the last fourth character is "功", not "巧".

there are two occurrences of the verse "微妙在智﹒觸類而長", both of them is followed by "玄通陰陽﹒功奪造化".




one of them is the text, another one is remark.

secondly, based on my experience, the verse "玄通陰了" is non-sense, in literary chinese.

btw, the internet archive has a copy of "葬經箋註"

https://archive.org/details/02094303.cn

lastly, imo, any text that's earlier than 1911, you must do the research in traditional chinese. 

then, no baidu, use google.