My book 'Things Get Better' has normalised the idea that it’s OK to fail and it’s OK to seek professional help from psychologists.

I don’t think many people stare at people in wheelchairs because we see it regularly. I suppose if you see more in the media it will take away the curiosity.

There’s nothing worse than saying the past is in the past, then dragging it into your kid’s life."

I have learnt from Simon Cowell that anything is possible if you work hard enough and also that acts of kindness or giving somebody a few minutes of your time can have a massive impact on their life and their future.

I think it's going to end up a lot like the Internet. Some countries try to regulate the Internet - bitcoin will be very much like that. It will be legal, and there will be some countries with currency control.

Wouldn't it be great if the technology we used to take care of ourselves was as good as the technology we use to make money?

There is clearly a constituency that appreciates the message that Google is sending, that it finds the Chinese government's attitude to the Internet and censorship unacceptable.

In my public service, I treasure my friendship with law enforcement officers. I admire what they do and support them in every aspect of their job. I have always looked upon law enforcement officers as my friends.