A religion is a source of happiness and I would not deprive anyone of happiness. But it is a comfort appropriate for the weak, not for the strong--and you are strong. The great trouble with religion--any religion--is that the religionist, having accepted certain propositions by faith, cannot thereafter judge these propositions by evidence. One may bask at the warm fire of faith or choose to live in the bleak uncertainty of reason--but one cannot have both.

Library Science is the key to all science, just as mathematics is its language - and civilization will rise or fall, depending on how well librarians do their jobs.

We came here for a small, informal meeting. We find you've turned it into a circus. Well, if you're going to have a circus, you've got to have elephants.

Patriotism is not 'my country right or wrong'; patriotism means loving the ideals for which America stands and having the courage to speak up when these ideals are distorted for personal or political gain. The American government was instituted to be the servant of the people, not our master.

Specialization is for insects... The race of man? He's a whole other creature.

There are a dozen different ways of delivering destruction in impersonal wholesale, via ships or missiles of one sort or another, catastrophes so widespread, so unselective that the war is over because that nation or planet has ceased to exist. What we do is entirely different. We make war as personal as a punch in the nose. We can be selective, applying precisely the required amount of pressure at the specified point at a designated time. We've never been told to go down and kill or capture all left-handed redheads in a particular area, but if they tell us to, we can. We will.

Customs tell a man who he is, where he belongs, what he must do. Better illogical customs than none; men cannot live together without them.