"Science knows it doesn't know everything. Otherwise it'd stop."

"The universe is so old, and human life so recent, so much of the volume of the universe is actively hostile to life, it seems arrogant that someone made it all 'for us'."

"I always have a quotation for everything -- it saves original thinking."

"I know people with their heads so far up their asses that they should give themselves colonoscopies while they're up there."

"It's a good thing that our offspring are so cute because otherwise we'd certainly eat them."

"The difference between stupidity and genius is that genius has its limits."

"...If you look hard enough you can find something-especially if it's something you want to find."

"Lies are cheap and easy; the truth is harder to come by."

"Reality is whatever doesn't go away when you stop believing in it."

"There is no shame in not knowing; the shame lies in not finding out."

"A proverb is a short sentence based on long experience."

"Wise men talk because they have something to say; fools, because they have to say something."

"Mistakes are the portals of discovery"