“For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You'd be surprised how far that gets you.”

“The good thing about science is that it's true whether or not you believe in it.”

“I lose sleep at night wondering whether we are intelligent enough to figure out the universe. I don't know.”

“... there is no shame in not knowing. The problem arises when irrational thought and attendant behavior fill the vacuum left by ignorance.”