"I don't think a movie today that captured all the things that we did in the seventies could come close, because it's like asking to recreate the seventies and the audience sensibilities and that's impossible"
"What is real is not the external form, but the essence of things... it is impossible for anyone to express anything essentially real by imitating its exterior surface"
"In thinking about nanotechnology today, what's most important is understanding where it leads, what nanotechnology will look like after we reach the assembler breakthrough"