All life is a struggle for existence. Why should it cease to be a struggle if it spreads among the stars?

Science fiction made me aware of how big and strange the universe was, leaving aside the whole question of aliens.

What if capitalism is unsustainable, and socialism is impossible?

Naive' is not a word I associate with the Southern Rule. Superstitious, perhaps, traditional, yes, maddeningly set in their way, certainly but not naive." "I meant you are naive. They must have a hidden motive." "This is why I have no politics," said Darvin. "I can't think in those terms.

The world has become one big grassy knoll, crawling with lone gunmen who think they're the Warren Commission.

Of all the sciences, astronomy was the one the superstitious liked least.

Change the problem by changing your mind.