If you were to insist I was a robot, you might not consider me capable of love in some mystic human sense, but you would not be able to distinguish m… - Isaac Asimov

Back to oil and coal, are they?" he murmured — and what the rest of his thoughts were he kept to himself.

Down — down — the results can be followed; and 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. Every human being lived behind an impenetrable wall of choking mist within which no other but he existed. Occasionally there were the dim signals from deep within the cavern in which another man was located — so that each might grope toward the other. Yet because they did not know one another, and could not understand one another, and dared not trust one another, and felt from infancy the terrors and insecurity of that ultimate isolation — there was the hunted fear of man for man, the savage rapacity of man toward man.

But his eyes were none the less seeing for being faded; his mind none the less experienced and wise for being no longer agile.