A father was trying to teach his young son that alcoholisharmful.

　　He put one worm in a glass of water and another worm in a glassofwhiskey. The worm in the water lived, while the one in thewhiskeyquickly curled up and died.

　　″All center,son,″ said the father,″what does that showyou？″

　　″Well,Dad,″ replied the son,″it shows that if you drinkalcohol,you will not have worms.″