So, he produced an experiment that involved a glass of water, a glass of whiskey, and two worms. "Now class. Observe the worms closely," said the professor putting a worm first into the water.

The worm in the water writhed about, happy as a worm in water could be. The second worm he put into the whiskey. It writhed painfully, and quickly sank to the bottom, dead as a doornail.

"Now, what lesson can we derive from this experiment?" the professor asked.