Signification du mot "nothing comes out of the sack but what was in it" en français

Que signifie "nothing comes out of the sack but what was in it" en anglais ? Découvrez la signification, la prononciation et l'utilisation spécifique de ce mot avec Lingoland

nothing comes out of the sack but what was in it

US /ˈnʌθ.ɪŋ kʌmz aʊt əv ðə sæk bʌt wʌt wəz ɪn ɪt/
UK /ˈnʌθ.ɪŋ kʌmz aʊt əv ðə sæk bʌt wɒt wəz ɪn ɪt/
"nothing comes out of the sack but what was in it" picture

Expression Idiomatique

on ne peut tirer d'un sac que ce qui y est

you cannot get more out of something than what was originally put into it; a person's actions or words reflect their true character or knowledge

Exemple:
He tried to sound like an expert, but nothing comes out of the sack but what was in it.
Il a essayé de paraître expert, mais on ne peut tirer d'un sac que ce qui y est.
If you don't study, you can't expect to pass; nothing comes out of the sack but what was in it.
Si tu n'étudies pas, n'espère pas réussir ; on ne tire d'un sac que ce qui y est.