We are hard wired through our biology to understand: what there is, what to do about what there is, that there is a difference between knowing what there is and knowing what to do about what there is and what the difference is.

Too often I feel there is also a search for 'the next' Steve Jobs or Joanna Shields. These are extraordinary people and yet I believe we should not treat entrepreneurialism as requiring a narrow checklist of certain characteristics. The key both in the US and the UK is to have hand-raisers – people who want to take a chance, and get involved.

We must always remember, in the West as democracies, that we have to do this within the character of a free society. That will hopefully always be what separates us from them: that we defend ourselves, but we do so within the character of a free society.

The reason why I fight is that I'm fighting against the pain of seeing my family get sick and fighting against not being able to help them. That's more painful than anything. To see my kids, get sick tomorrow and not being able to help them? That's more painful than anything I would experience in a fight.

I don't think I ever would have had the confidence in myself to even pick up the pen. I would have continued to believe that this wasn't something that could ever be real for me. That one small bit of encouragement had such a huge impact on my life. It made me realize how sometimes it really is the little stuff that's most important, and we never know how significant our encouragement can be in someone else's life.