“Never look for complexity in diplomatic decisions. With very few exceptions, actions always devolve—and that’s the exact term—from someone’s self-interest. Not the national self-interest, by the way. We are talking here about individual careers.”

Source: The Uplift War (1987), Chapter 82 (p. 525)

1950s, What Desires Are Politically Important? (1950)
Context: Killing an enemy in a modern war is a very expensive operation... It is obvious that modern war is not good business from a financial point of view. Although we won both the world wars, we should now be much richer if they had not occured. If men were actuated by self-interest, which they are not – except in the case of a few saints – the whole human race would cooperate. There would be no more wars, no more armies, no more navies, no more atom bombs. There would not be armies of propagandists employed in poisoning the minds of Nation A against Nation B, and reciprocally of Nation B against Nation A. There would not be armies of officials at frontiers to prevent the entry of foreign books and foreign ideas, however excellent in themselves. There would not be customs barriers to ensure the existence of many small enterprises where one big enterprise would be more economic. All this would happen very quickly if men desired their own happiness as ardently as they desired the misery of their neighbors. But, you will tell me, what is the use of these utopian dreams? Moralists will see to it that we do not become wholly selfish, and until we do the millennium will be impossible.

Source: Problems Of Humanity (1944), p. 13

Source: The Forge of God (1987), Chapter 52 (p. 352)

(24 July 2005)
Unfit for Mass Consumption (blog entries), 2005
Context: There are many words and phrases that should be forever kept out of the hands of book reviewers. It's sad, but true. And one of these is "self-indulgent." And this is one of those things that strikes me very odd, like reviewers accusing an author of writing in a way that seems "artificial" or "self-conscious." It is, of course, a necessary prerequisite of fiction that one employ the artifice of language and that one exist in an intensely self-conscious state. Same with "self-indulgent." What could possibly be more self-indulgent than the act of writing fantastic fiction? The author is indulging her- or himself in the expression of the fantasy, and, likewise, the readers are indulging themselves in the luxury of someone else's fantasy. I've never written a story that wasn't self-indulgent. Neither has any other fantasy or sf author. We indulge our interests, our obsessions, and assume that someone out there will feel as passionately about X as we do.

1930s, Second inaugural address (1937)

Source: Barsk: The Elephants' Graveyard (2015), Chapter 18, “One-Sided Conversation” (p. 176)

"The Commercial Motive" ibid.