Non c'è fumo senza arrosto

Meaning: Rumors usually have some truth behind them.

Literally: There's no smoke without a roast

Example: “Tutti parlano delle sue dimissioni; non c'è fumo senza arrosto.” — Everyone's talking about his resignation: where there's smoke, there's fire.

Equivalents in English, French, Spanish, Japanese, German, and 6 more languages

English: Where there is smoke, there is fire
French: Il n'y a pas de fumée sans feu (literally: There is no smoke without fire)
Spanish: Donde hay humo, hay fuego (literally: Where there is smoke, there is fire)
Japanese: 火のない所に煙は立たぬ (Hi no nai tokoro ni kemuri wa tatanu) (literally: Smoke doesn't rise where there is no fire)
German: Kein Rauch ohne Feuer (literally: No smoke without fire)
Portuguese: Não há fumo sem fogo (literally: There's no smoke without fire)
Dutch: Waar rook is, is ook vuur (literally: Where there's smoke, there's also fire)
Russian: Нет дыма без огня (Net dyma bez ognya) (literally: No smoke without fire)
Polish: Nie ma dymu bez ognia (literally: No smoke without fire)
Chinese: 无风不起浪 (Wú fēng bù qǐ làng) (literally: Without wind there are no waves)
Turkish: Ateş olmayan yerden duman çıkmaz (literally: Smoke doesn't rise where there's no fire)