Here's my philosophy in life: If there's a fire, you put it out. If there's a flood, you fill sandbags and you build a dike. You roll up your sleeves and you get to work.

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

If you faced a long hungry period with nothing between you and starvation but a bit of barley and a pig, you'd be better off turning the barley into beer and letting the pig starve.

Every time you dive, you hope you'll see something new - some new species. Sometimes the ocean gives you a gift, sometimes it doesn't.

Hate is a disease, and in 1930 I became sick with hatred.

Everybody is always talking about droughts and sea level rise, but when human civilization, with more crowding and greater resource depletion, is under that much stress, it translates into wars and huge displaced populations. The Syrian refugee crisis is just a first taste of what it's going to be like. I don't want my kids growing up in that kind of world.

Your only competitors are your past achievements.