Meaning of the word "even a mouse may help a lion" in English

What does "even a mouse may help a lion" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

even a mouse may help a lion

US /ˈiː.vən ə maʊs meɪ help ə ˈlaɪ.ən/
UK /ˈiː.vən ə maʊs meɪ help ə ˈlaɪ.ən/
"even a mouse may help a lion" picture

Idiom

even a small or weak person can be of help to a powerful person

Example:
Don't underestimate the intern's contribution; remember, even a mouse may help a lion.
He thanked the child for the tip, knowing that even a mouse may help a lion.