The Scientist - with capital letters and no smile. - Isaac Asimov

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

What a brain is made of isn't the essential thing: it's how the brain functions. Its thought patterns, its reaction time, its ability to reason and generalise from experience. Why does the whole issue have to be drown down to the level of organic cells versus positrons?

all the suffering that humanity ever knew can be traced to the one fact that no man in the history of the Galaxy, until Hari Seldon, and very few men thereafter, could really understand one another.