When I'm reading material, if I'm a little bit afraid of a part and I'm willing to admit that to myself, then I'll do it, definitely. If I'm worried about being able to do it, to get it - I absolutely just love it.
“I think it could be the biggest information problem that we face. 'If somebody is abroad and they even mention the name of an American citizen, bang, off goes the tap, and no more information is collected.”
“Man-made computers are limited in their performance by finite processing speed and memory. So, too, the cosmic computer is limited in power by its age and the finite speed of light.”