Andar es el mejor modo de transporte en las distancias cortas, el más conveniente, más barato y más sano. Incontables años de avances tecnológicos no… - Isaac Asimov

La muerte, excelencia, es un fenómeno tan absoluto e irrevocable, que ciertamente debe haber alguna otra alternativa.

I received the fundamentals of my education in school, but that was not enough. My real education, the superstructure, the details, the true architecture, I got out of the public library. For an impoverished child whose family could not afford to buy books, the library was the open door to wonder and achievement, and I can never be sufficiently grateful that I had the wit to charge through that door and make the most of it. Now, when I read constantly about the way in which library funds are being cut and cut, I can only think that the door is closing and that American society has found one more way to destroy itself.

Any technological advance can be dangerous. Fire was dangerous from the start, and so (even more so) was speech - and both are still dangerous to this day - but human beings would not be human without them.