"But no man's charm is so practiced who knows himself well." [closed]

Solution 1:

But no man's charm is so practiced who knows himself well.

Interesting quote (from where?) but I am willing to take a shot at it.

I would rewrite it as:

But no man's charm is so practiced (as he) who knows himself well.

In other words,

No one has such a practiced charm as...

...someone who knows themself well.

See: https://www.yourdictionary.com/extrapersonal

Solution 2:

She was being cruel. No man’s charm is so practiced = great, who knows himself well. It was obvious she found him arrogant or over educated/ conceded. Hence saying he is the second part without any doubt , making the first part true. Simple answer = He is lacking charm, with the insult that ended the sentence assuming he was entitled by knowledge and wealth. Who knows himself well.

Why he responded “Quite Right”

He says you don’t need the mask, you have a face Lazarus would rise to. She thought she saw through his finely crafted mask/persona. He was being genuine and her assumption of him made her skeptical and cold.