Two strangers are sitting in adjacent seats in airplane. One
says to the other, "Let's talk. I hear that the flight will go faster if
you strike up a conversation with your fellow passenger." The other,
who had just opened a good book, closes it slowly, takes off her glasses
and asks, "What would you like to discuss?"
The guy says, "Oh, I don't know; how about Nuclear Power?"
She says, "OK, that could make for some pretty interesting
conversation. But let me ask you a question first: A horse, a cow,
and a deer all eat the same stuff, but the deer excretes pellets; the
cow, big patties; and the horse, clumps of dried grass. Why is that?"
The guy says, "I don't know."
"Oh? Well then, do you really think you're
qualified to discuss Nuclear Power when you don't know shit?"