Looking for a Historical Quote

[Immortality]

Hello,

 

I once read an introductionary book on Taoism, whose title I have unfortunately forgotten. It contains a quote of an ancient Chinese emperor's description of a Taoist. This quote is very dear to me, but I can alas not remember its literal content nor historical context (who precisely said it and when). I'd like to describe the quote here; I hope the community will be able to help me identify it.

 

Description: A certain Chinese emperor describes a Taoist; he wanders all alone with only his beggar's bowl, he does not speak, safe but with a highly accomplished master in order to help him increase his cultivation of the Tao.

 

Thank you,

 

Immortality

Edited October 5, 2021 by Immortality