On the steps of the Federal Building we ran into Carmencita Ibanez, a classmate of ours and one of the nice things about being a member of a race with two sexes.

A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method.

There are two ways of forming an opinion. One is the scientific method; the other, the scholastic. To the scientific mind, experimental proof is all-important, and theory is merely a convenience in description, to be junked when it no longer fits. To the academic mind, authority is everything, and facts are junked when they do not fit theory.

One could write a history of science in reverse by assembling the solemn pronouncements of highest authority about what could not be done and could never happen.

Never appeal to a man's 'better nature.' He may not have one. Invoking his self-interest gives you more leverage.

Never attribute to malice that which can be adequately explained by stupidity. Never underestimate the power of human stupidity.

Coffee comes in five descending stages: Coffee, Java, Jamoke, Joe, and Carbon Remover.