> "Is there anyone in the class who has ever seen the
> professor's brain?"
> The class breaks out into laughter.
> "Is there anyone here who has ever heard the
> professor's brain, felt the professor's brain, touched
> or smelt the professor's brain? No one appears
> to have done so. So, according to the established
> rules of empirical, stable, demonstrable protocol,
> science says that you have no brain, with all due
> respect, sir. So if science says you have no brain,
> how can we trust your lectures, sir?"