A man met his tailor in the street and stopped him.
"I quite forgot to pay for the suit which I have on now," he said. "Why didn"t you remind me?"
"I never ask a gentleman for money," the tailor replied.
"Then what do you do if he doesn"t pay?"
"Well, after some time I no longer think he is a gentleman and then I ask him."
Snails produce a colorless, sticky discharge that forms a protective carpet under them as they travel along. The discharge is so effective that they can crawl along the edge of a razor without cutting themselves.