A rubar poco si va in galera, a rubar tanto si fa cariera.

　　English translation: Steal a little, go to jail; steal a lot, make a career of it.

　　A tutto c'è rimedio, fuorchè alla morte.

　　English translation: There is a cure for everything except death.

　　Acqua cheta rovina i ponti.

　　English translation: Silent waters run deep.

　　Acqua passata non macina più。

　　English translation: That's water under the bridge.

　　Aiutati che Dio t'aiuta.

　　English translation: Help youself and God will help you.

　　Idiomatic meaning: God helps those who help themselves.

　　Al bisogno si conosce l'amico.

　　English translation: A friend in need is a friend indeed.

　　Al contadino non far sapere quanto è buono il formaggio con le pere.

　　English translation: Don't let the farmer know how good cheese is with pears.

　　Ama il prossimo tuo come te stesso.

　　English translation: Love thy neighbor as thyself.

　　Ambasciator non porta pena.

　　English translation: Don't shoot the messenger.

　　Amico di tutti e di nessuno e tutt'uno.

　　English translation: A friend to all and a friend to none is one and the same.

　　Avere le mani in pasta.

　　English translation: To have a finger in the pie.