"My specialty is the mechanics of research. But I test my theories about how to make discoveries by using them to make discoveries."

“Most men develop convictions about the cosmos and such beliefs come in two varieties. One kind is a conviction that the cosmos does not make sense. That it exists by chance and changes by chance and human beings do not matter. This view produces a fine complacency. The other kind is a belief that the cosmos does make sense, and was designed with the idea that people were going to live in it, and that what they do and what happens to them is important. This theory seems to be depressing.”

“The unfamiliar is not necessarily unreasonable.”

“There was a beautiful row. You’ve really scared people, Hoddan! You deserve well of the republic! Every government and every person needs to be thoroughly terrified occasionally. It limbers up the brain.”

“Herb doctor is the polite term used by witch doctors when they advertise their services in newspapers. It is commonly believed that they can relieve all situations not caused by a judge or a grand jury.”

“Twilight remained, a fairy half-light in which all things looked much more charming than they really were.”

“Eminent men were called on to take command and arrange suitable measures. They immediately acted as eminent men so often do; they took action to retain their eminence. Their first instinct was caution. When a man is important enough, it does not matter if he never does anything. It is only required of him that he do nothing wrong. Eminent figures all over the world prepared to do nothing wrong. They were not so concerned to do anything right.”