Avatar is the most high tech film in terms of its execution, dealing with essentially a very low tech subject; which is our relationship with nature...and in fact the irony is that the film is about our relationship with nature and how our technological civilization has taken us several removes away from a truly natural existence and the consequences of that to us.

The last I checked, 'Titanic' worldwide has grossed $1.3 billion. Imagine how much more it would have grossed if I had gotten the sky correct.

The quickest way to destroy ocean science is to take human explorers out of the water

Your only competitors are your past achievements.

I love short trips to New York; to me it is the finest three-day town on earth.

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

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