"In this complex world, science, the scientific method, and the consequences of the scientific method are central to everything the human race is doing and to wherever we are going. If we blow ourselves up we will do it by misapplication of science; if we manage to keep from blowing ourselves up, it will be through intelligent application of science."

“Clark just looked bored and contemptuous and said nothing, because Clark would not bother to interfere with Armageddon unless there was ten percent in it for him.”

“Matt, you are suffering from a disease of youth—you expect moral problems to have nice, neat, black-and-white answers.”

“Learning isn’t a means to an end; it is an end in itself.”

“He seeks order, not truth. Suppose truth defies order, will he accept it? Will you? I think not.”

“I used to wonder what it was like to be rich. Now I am and it turns out to be mostly headaches.”

“Just now I’m writing a series of oh-so-respectful articles about the private life of the Prophet and his acolytes and attending priests, how many servants they have, how much it costs to run the Palace, all about the fancy ceremonies and rituals, and such junk. All of it perfectly true, of course, and told with unctuous approval. But I lay it on a shade too thick. The emphasis is on the jewels and the solid gold trappings and how much it all costs, and I keep telling the yokels what a privilege it is for them to be permitted to pay for such frippery and how flattered they should feel that God’s representative on earth lets them take care of him.”