Rose: You're trembling. Jack: I'll be alright.

Old Rose: It's been 84 years, and I can still smell the fresh paint. The china had never been used. The sheets had never been slept in. Titanic was called the Ship of Dreams, and it was. It really was.

If you wait until the right time to have a child you'll die childless, and I think film making is very much the same thing. You just have to take the plunge and just start shooting something even if it's bad.

We have a great responsibility. Whatever we make will become the truth, the visual reality that a generation will accept.

The nation that leads in renewable energy will be the nation that leads the world 10, 20 years from now.

Literary science fiction is a very, very narrow band of the publishing business. I love science fiction in more of a pop-culture sense. And by the way, the line between science fiction and reality has blurred a lot in my life doing deep ocean expeditions and working on actual space projects and so on. So I tend to be more fascinated by the reality of the science-fiction world in which we live.

We have nightmares because our brain is running simulations to put us in jeopardy to see what we'll do or to acclimatize us to that idea that something bad could happen. It's just how human beings are wired because the entire time we were evolving we had to jump quick or the leopard would get us or whatever it was. It's Darwinian.