“Not a single one of the cells that compose you knows who you are, or cares.”

“Philosophers' Syndrome: mistaking a failure of the imagination for an insight into necessity.”

“The secret of happiness: Find something more important than you are and dedicate your life to it.”

“If you can approach the world's complexities, both its glories and its horrors, with an attitude of humble curiosity, acknowledging that however deeply you have seen, you have only scratched...”

“My faith in the expertise of physicists like Richard Feynman, for instance, permits me to endorse—and, if it comes to it, bet heavily on the truth of—a proposition that I don't understand. S...”