La prueba de ausencia no es prueba de ausencia - Carl Sagan

"The nuclear arms race is like two sworn enemies standing waist deep in gasoline, one with three matches, the other with five."

"It's a lazy Saturday afternoon, there's a couple lying naked in bed reading Encyclopediea Brittannica to each other, and arguing about whether the Andromeda Galaxy is more 'numinous' than the Ressurection. Do they know how to have a good time, or don't they?"

"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism."

"A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism."

"I don't want to believe. I want to know."