If you let a fool deliver a message, you might as well cut off your own feet; you are asking for trouble.
Never get a lazy person to do something for you; he will be as irritating as vinegar on your teeth or smoke in your eyes.
Unreliable messengers cause trouble, but those who can be trusted bring peace.
A reliable messenger is refreshing to the one who sends him, like cold water in the heat of harvest time.
Give a silly answer to a silly question, and the one who asked it will realize that he's not as smart as he thinks.
A fool can use a proverb about as well as crippled people can use their legs.
But the men who had gone with Caleb said, “No, we are not strong enough to attack them; the people there are more powerful than we are.”