"Do you think we can be friends?” I asked.He stared up at the ceiling. “Probably not, but we can pretend."

"If you look at a tree and think of it as a design assignment, it would be like asking you to make something that makes oxygen, sequesters carbon, fixes nitrogen, distills water, provides habitat for h…"

"One of my complaints is that you've got far more scientists than ever before but the pace of discovery has not increased. Why? Because they're all busy just filling in the details of what they think i…"

"Who would I cast to play me? You know who I think would be good? Would be Matthew Broderick. He's got a good small funny. You need a small funny to play a comedian, not a big funny. Most comedians, yo…"