Nobody realises that speaking Malayalam is a big challenge for me.
The big challenge for me is that my nature is more towards comedy, so I understand when a comedy thing is working; I know when I'm not bored in a comedy.
I think that a lot of the most talented and driven people, they're not super deterred by failure. So if you put out a really big challenge, I think they get reality excited by that - they say, 'Hey, why not, let's go give it a shot, and if we fall short on that, at least we took a shot at doing something really important and meaningful.'
It's been my dream to race in F1 since I was eight. I don't see why that should change just because I've changed. It's a big challenge but I like to push myself. The accident has toughened me up and made me realise what's important. It's spurred me on to get to F1.
Living up to the Deol surname means being tough, and this is a big challenge in itself.
I'm used to people not paying me a whole lot of attention and underestimating me and, frankly, for me a big challenge is to have people believe that I can be the president of the United States.
The whole, 'Is the Internet a good thing or a bad thing'? We're done with that. It's just a thing. How to maximise its civic value, its public good - that's the really big challenge.
It would be nice to make a movie that other people want to make, because every one of these movies, I basically have to find the only company in the world that's willing to make it, and it's always a big challenge. I end up spending a tremendous amount of energy and time trying to get money to make these movies and it's exhausting.
I did the Kilimanjaro climb a few years ago, then the six-day trek to Machu Picchu in Peru so this bike ride to raise money for Great Ormond Street seemed like the next big challenge.