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What is certain about the future is that even the best efforts to predict the conditions of future war will prove erroneous. What is important, however, is to not be so far off the mark that visions of the future run counter to the very nature of war and render American forces unable to adapt to unforeseen challenges.

We've gone from, in the '50s and '60s, being very optimistic about the future, where the future is all spaceships and The Jetsons and flying cars, to where we were just sure the future was going to be a massive pile of rubble.

You can never properly predict the future as it really turns out. So you are doing something a little different when you write science fiction. You are trying to take a different perspective on now.

Humans are terrible at predicting the future. We really overestimate what we can do in the short term and underestimate what we can do in the long term... If we can glimpse even a couple of years into the future, even that's difficult to do.

It may be far in the future, but there's some kind of logical way to get from where we are to where the science fiction is.

This is actually a very important principle that science is learning about large systems like evolution and that futurists are learning about anticipating human society: just because a future scenario is plausible doesn't mean we can get there from here.

I think that our future has lost that capital F we used to spell it with. The science fiction future of my childhood has had a capital F - it was assumed to be an American Future because America was the future. The Future was assumed to be inherently heroic, and a lot of other things, as well.

I mean, the nation in which we live - and the world in which we live - is so extraordinarily more like a future than the futures that we're being sold on the screen and on television.

Science fiction writers have usually been very poor prognosticators of the future, either in literary or technological terms, and that's because we're all too human and, I think, have the tendency to see what we want to or, in the case of those more paranoid, what we fear.

The partisanship surrounding space exploration and the retrenching of U.S. space policy are part of a more general trend: the decline of science in the United States. As its interest in science wanes, the country loses ground to the rest of the industrialized world in every measure of technological proficiency.