And now it's your turn - the time to answer the greatest challenge of our existence on this planet is now.

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.

You can either be a vain movie star, or you can try to shed some light on different aspects of the human condition.

Thousands of climate scientists agree that global warming is not only the most threatening environmental problem but also one of the greatest challenges facing all of humanity. We must demand a separation between oil and state. We can get off oil and slow global warming.

I always wanted to be an actor and I'd never dreamt that not only would I be able to do this for a living, but also on top of that I'd be able to choose and steer the course of my own career.

Me, I still believe in paradise. But now at least I know its not some place you can look for because its not where you go. It’s how you feel for a moment in your life when you’re a part of something and if you find that moment, it lasts forever.

To play a repressed gay man, I had to explore what life was like in an era of sexual repression.