“Protein, so far as we know, does not replicate itself all by itself, not on this planet anyway. Looked at this way, the [prion] seems the strangest thing in all biology, and, until someone in some laboratory figures out what it is, a candidate for Modern Wonder. (quote originally by Lewis Thomas)”

“I figure I'll just keep on going the way I am until something starts making sense.""What if nothing ever does?""I guess if that happens, I'll start hoping all the God freaks are right, and there's some superior intelligence up there treating us all like laboratory rats.”

“Fear is like a weed in a garden. Once you allow it to take root, it spreads, replicating itself, until, eventually, it chokes out all the other life there. Trust, love, kindness – none of those things can ever really bloom in a garden of fear.”

“The way I figure it, we know we got this world, so live in this one while you’re here. I figure the next one will take care of itself.”

“The mind is a strange and wonderful thing. I'm not sure it'll ever be able to figure itself out. Everything else maybe, from the atom to the universe, everything except itself.”

“Sometimes, we have to change the way we see things in order to see the way they truly are. We have to look at all the angles and cracks and crevices until we know what it is we’re looking at. And we can’t stop until we see it all!”