Meaning of the word "handsome is as handsome does" in English

What does "handsome is as handsome does" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

handsome is as handsome does

US /ˈhæn.səm ɪz æz ˈhæn.səm dʌz/
UK /ˈhæn.səm ɪz æz ˈhæn.səm dʌz/
"handsome is as handsome does" picture

Idiom

actions and behavior are more important than physical appearance

Example:
He may not be a movie star, but handsome is as handsome does; he is the kindest man I know.
I don't care about his looks because handsome is as handsome does.