Harrison Ford

We're all interconnected. For example, a simple lack of fresh water can lead to population dislocation, which can lead to political radicalization, which can lead to great pressure on the states that receive refugees because of a migrating population.

On the first 'Indiana Jones' movie, I tore an ACL in one of my knees - can't remember which knee. The scene in which I was fighting the big German mechanic on an airplane called a flying wing, I was run over by the landing gear and injured my knee, but I can't remember which one it was. Lots of bumps and injuries along the way.

It's funny because you know the novel process: you get the drafts, you get the galley, and then you get the galley proofs. You have opportunities to change things all along. But the further along in the process you go, the more careful you have to be in making those changes, and the smaller the changes have to be.

I was still young when I missed Beijing. I was favourite to win a medal but I knew I had time. My coach advised me to stay at school and finish my exams. Even if I had gone and won the Olympics, I might not have handled the pressure. So I moved on.