Chi troppo vuole nulla stringe

Meaning: If you want too much, you end up with nothing.

Literally: Whoever wants too much grasps nothing

Example: “Voleva comprare tre case e non ne ha presa nessuna. Chi troppo vuole nulla stringe.” — He wanted to buy three houses and ended up with none: grasp all, lose all.

Equivalents in English, French, Spanish, Japanese, German, and 3 more languages

English: Between two stools he comes to the ground.
French: Entre deux selles le cul à terre (literally: Between two stools the breech comes to the ground)
Spanish: Quien mucho abarca, poco aprieta (literally: He who grasps much, squeezes little)
Japanese: 二兎を追う者は一兎をも得ず (Nito o ou mono wa itto o mo ezu) (literally: He who chases two hares catches neither)
German: Man kann nicht auf zwei Hochzeiten gleichzeitig tanzen (literally: You cannot dance at two weddings at the same time)
Dutch: Tussen twee stoelen in de as vallen (literally: To fall into the ashes between two chairs)
Russian: За двумя зайцами погонишься — ни одного не поймаешь (Za dvumya zaytsami pogonish'sya — ni odnogo ne poymaesh') (literally: Chase two hares and you won't catch either)
Polish: Łapać dwie sroki za ogon (literally: To grab two magpies by the tail)