You can't swallow and think about your tongue. If you think about your tongue, you've got a giant piece of meat in your mouth and that's a terrible feeling.
Stephen ColbertScience attacks our most cherished opinions. Opinions which come straight from our collective gut. Oh, wait, according to gastroenterologists, the only thing that comes from the gut is waste left from the digestion of food. That’s right, “waste.” I guess that means that scientists literally think our opinions should be flushed down the toilet!
Stephen Colbert