In a gentle way, you can shake the world.

Building upon the world we created with 'Avatar' has been a rare and incredibly rewarding experience. In writing the new films, I've come to realize that 'Avatar's world, story and characters have become even richer than I anticipated, and it became apparent that two films would not be enough to capture everything I wanted to put on screen.

History is written by the victors. 

To raise new questions, new possibilities, to regard old problems from a new angle, requires creative imagination and marks real advance in science.

I think whether you're having setbacks or not, the role of a leader is to always display a winning attitude.

Let my skin and sinews and bones dry up, together with all the flesh and blood of my body! I welcome it! But I will not move from this spot until I have attained the supreme and final wisdom.

Knowledge is a body of information.

When the water starts boiling it is foolish to turn off the heat.

When you make fun of somebody who is hurt, you add insult to their injury!

Good habits formed at youth make all the difference.

Never leave that till tomorrow which you can do today. 

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