A single idea from the human mind can build cities. An idea can transform the world and rewrite all the rules.

Global warming is not only the number one environmental challenge we face today, but one of the most important issues facing all of humanity... We all have to do our part to raise awareness about global warming and the problems we as a people face in promoting a sustainable environmental future for our planet.

We must set an example now and move environmentalism from being the philosophy of a passionate minority ... to a way of life that automatically integrates ecology into governmental policy and normal living standards.

I suppose playing an older man is a way of preparing myself for getting older.

You have to enjoy life in the process. It may sound corny, but it's true. At the end of the day, we can't always achieve everything that we dream of but you do have to enjoy life in the process.

I lived in Hollywood and, ironically, I didn't know you could just go out and get an agent and go on auditions and try and become an actor, I thought it was like a Masonic thing, like a blood line you had to belong to – until I was 13. Then I realised what you had to do. It is the one thing I know I want to do for the rest of my life.

When I was doing 'This Boy's Life' I wanted to be as old as Robert DeNiro and as experienced as him and have the same respect as he did in that movie.