One rotten apple spoils the whole barrel.
More English Proverbs:
One of these days is none of these days.English
Laugh, and the world laughs with you; weep, and you weep alone.
English
To talk without thinking is to shoot without aiming.
English
Poor Trust is dead; Bad Pay killed him.
English
Money is the root of all evil.
English
The road to hell is paved with good intentions.
English