"in one case, it was just a matter of supplying tendons; it didn't make much difference there, metal or fibre. the other wanted a blood system or its equivalent. i told him i couldn't; not without a complete rebuilding of the structure of his body in fibrous material... i suppose it will come to that some day. metallos that aren't really metallos at all, but a kind of flesh and blood."
"you don't mind that thought?"
"why not? and metallized human beings, too. we have two varieties of intelligence on earth now and why bother with two. let them approach each other and eventually we won't be able to tell the difference. why should we want to? we'd have the best of both worlds; the advantages of man combined with those of robot."
segregationist (1967)
isaac asimov
