追形逐影,光若彿彷
Chasing after shapes and pursuing shadows, a light as if resembling seemingly
追 chase (or run) after; pursue
形 form; shape
逐 pursue; chase; one by one
影 shadow; reflection; vague impression
光 light; ray; brightness; naked; nothing left
若 as if, like
彿 seemingly
彷 seemingly,: resembling
Definitely one of its hardest to understand statements, the second part meaning being obscure for the least. A first understanding coming to mind is, of course, the necessity to be fast. But the text is also about method, how to address the search of knowledge. Indeed one shall first find answers in the shape, then understand what is more and more hidden or obscure to finally reach real knowledge or Enlightenment.