Stem Cells Are Like Toenail Clippings With

Ratbert (as Lab Rat, To Scientist): Doc, We Have To Talk. Every Day You Feed Me Over A Hundred Pounds Of Macaroni And Cheese. At First I Thought You Were Just Being A Good Host. But Lately I've Been Thinking It Could Be Something Far More Sinister.

Our Perceptions Of Truth Are Built Around What Is Practical, Not What Is True. Even The Smartest Human Brain Doesn't Have The Capacity For Discerning True Facts. That's Why So Many Of Us Settle For Scientific Facts. It's The Best We Can Do.

I Respectfully Decline The Invitation To Join Your Hallucination.

You Probably Think Stephen Hawking Is In That Wheelchair Because Of A Motor Neuron Disease. But If You Got As Much Barely-legal Student Poontang As The Hawkster, You'd Be In A Wheelchair Too.

There's A Gigantic Gray Area Between Good Moral Behavior And Outright Felonious Activities. I Call That The Weasel Zone And It's Where Most Of Life Happens.