Married life had taught Toran the futility of arguing with a female in a dark-brown mood.

Arthur Clarke says that I am first in science and second in science fiction in accordance with an agreement we have made. I say he is first in science fiction and second in science.

Increasingly, our leaders must deal with dangers that threaten the entire world, where an understanding of those dangers and the possible solutions depends on a good grasp of science. The ozone layer, the greenhouse effect, acid rain, questions of diet and heredity. All require scientific literacy. Can Americans choose the proper leaders and support the proper programs if they themselves are scientifically illiterate? The whole premise of democracy is that it is safe to leave important questions to the court of public opinion - but is it safe to leave them to the court of public ignorance?

What do you call that nice, shiny white metal they use to make sidings and airplanes out of? Aluminum, right? Aluminum, pronounced 'uh-LOO-mih-num', right? Anybody knows that! But do you know how the British spell it? 'Aluminium', pronounced 'Al-yoo-MIH-nee-um'. Ever hear anything so ridiculous? The French and Germans spell it 'aluminium', too, but they're foreigners who don't speak Earth-standard. You'd think the British, however, using our language, would be more careful

I can't bear to hear a human being spoken of with contempt just because of his group identification...It's these respectable people here who create those hooligans out there.

I believe in evidence. I believe in observation, measurement, and reasoning, confirmed by independent observers. I'll believe anything, no matter how wild and ridiculous, if there is evidence for it. The wilder and more ridiculous something is, however, the firmer and more solid the evidence will have to be.

Science fiction writers foresee the inevitable, and although problems and catastrophes may be inevitable, solutions are not.