Meaning of the word "fine words shall butter no parsnips" in English

What does "fine words shall butter no parsnips" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fine words shall butter no parsnips

US /faɪn wɜrdz ʃæl ˈbʌtər noʊ ˈpɑrsnɪps/
UK /faɪn wɜːdz ʃæl ˈbʌtə nəʊ ˈpɑːsnɪps/
"fine words shall butter no parsnips" picture

Idiom

nothing is achieved by empty promises or flattery; actions are more important than words

Example:
He keeps promising a raise, but fine words butter no parsnips.
I need to see results, because fine words butter no parsnips.