grade science teacher Mrs. Samson asks her class: "Who
can tell me which organ of the human body expands to 10
times its usual size when stimulated?"
Nobody raises a hand, so she calls on the first student
to look her way. "Mary, can you tell me which organ
of the human body expands to 10 times its usual size when
Mary stands up, blushing furiously. "How dare you
ask such a question?" she says. "I'm going to
complain to my parents, who will complain to the principal,
who will have you fired!"
Mrs. Sampson is shocked by Mary's reaction, but undaunted.
She asks the class the question again, and this time Sam
raises his hand.
Yes, Sam?" says Mrs. Sampson. "Ma'am, the correct
answer is the iris of the human eye."
"Very good, Sam. Thank you." Mrs. Sampson then
turns to Mary and says, "Mary, I have 3 things to tell
you: first, it's clear that you have NOT done your homework.
Second, you have a DIRTY mind. And third, I fear one day
you are going to be sadly disappointed."