"A quiet mind perceives the subtle truths that noisy ambitions constantly drown out. Let this simple maxim guide your daily deeds — an essential principle for the reflective life."

"It is a humble truth that to know when to speak and when to listen is the hallmark of genuine discernment — an essential principle for the reflective life."

"The beauty of the unknown is that the simplest acts of love resonate the loudest."

"Do not measure life by the breaths you take, but by the moments that stir your soul — an essential principle for the reflective life."

"Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground floor."

"There is no way that writers can be tamed and rendered civilized or even cured. The only solution known to science is to provide the patient with an isolation room, where he can endure the acute stages in private and where food can be poked in to him with a stick."

"We sat around on a hotel balcony with a bottle of wine and tried to figure out how you would go about blowing up a planet. That's the kind of conversations science fiction writers have when they get together. We don't talk about football or anything like that."

"Only two things are infinite, the universe and human stupidity, and I'm not sure about the former."