Wine making is also alchemy, not everything is controllable – you are dealing with nature. There's a savage element to all of this. A great winemaker is an artist.

[the impact of the internet on liberty and free speech has been] very positive indeed – not so much two steps forward and one step back, as ten steps forward for every step back. By breaking the oligopoly of the established press and letting everyone be a publisher, it has made information much harder for the powerful to control.

We have to create systems that make people think twice before they behave badly. People need to credibly believe that there will be consequences to their actions if caught in random stings. If you are in a position where you are uniquely able to wield power- politics, police, corporate leadership- you should be randomly subject to attempts to see if you behave badly when offered the opportunity to do so.

What I realised was, that in studying other manufacturing companies, in particular Toyota, I could see that their mechanism for distributing responsibility and pushing it far down the organisation turned them into a creative enterprise! This is the opposite of what most people think, which is that the purpose of manufacturing is to reliably produce the same thing over and over again.

My understanding of humanity was changed more by working in the space industry than space travel itself. It opened up my eyes to what international collaboration can really achieve. The space industry and scientific community seem to transcend all that. You realise that you're involved in this incredible international space station that's been occupied for 20 years and which simply couldn't have succeeded if it wasn't for everyone collaborating together.