Meaning of the word "fair words will not fill the belly" in English

What does "fair words will not fill the belly" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

fair words will not fill the belly

US /fɛr wɜrdz wɪl nɑt fɪl ðə ˈbɛli/
UK /feə wɜːdz wɪl nɒt fɪl ðə ˈbɛli/
"fair words will not fill the belly" picture

Idiom

polite words or promises are useless if they are not accompanied by action or practical help, especially regarding basic needs

Example:
He promised to help us with the rent, but fair words will not fill the belly.
The politician gave a great speech, but the poor know that fair words will not fill the belly.