Meaning of the word "a good name keeps its luster in the dark" in English

What does "a good name keeps its luster in the dark" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a good name keeps its luster in the dark

US /ə ɡʊd neɪm kiːps ɪts ˈlʌstər ɪn ðə dɑːrk/
UK /ə ɡʊd neɪm kiːps ɪts ˈlʌstə ɪn ðə dɑːk/
"a good name keeps its luster in the dark" picture

Idiom

a person's good reputation is valuable and remains even in difficult times or when no one is watching

Example:
He never compromised his integrity, believing that a good name keeps its luster in the dark.
Even after the scandal, his supporters argued that a good name keeps its luster in the dark.