Meaning of the word "the sun loses nothing by shining into a puddle" in English

What does "the sun loses nothing by shining into a puddle" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

the sun loses nothing by shining into a puddle

US /ðə sʌn ˈluzəz ˈnʌθɪŋ baɪ ˈʃaɪnɪŋ ˈɪntu ə ˈpʌdəl/
UK /ðə sʌn ˈluːzɪz ˈnʌθɪŋ baɪ ˈʃaɪnɪŋ ˈɪntuː ə ˈpʌdəl/
"the sun loses nothing by shining into a puddle" picture

Idiom

a person of high character or status does not lose their dignity or reputation by helping or associating with those of lower status

Example:
She spent her weekend volunteering at the shelter, believing that the sun loses nothing by shining into a puddle.
The CEO personally mentored the interns, proving that the sun loses nothing by shining into a puddle.