The first trillionaires are going to be created through space exploration. Imagine the mineral wealth on planet Earth, and then realise that Earth is just a tiny blue dot in our whole galaxy… which is just one galaxy in a universe, which could be part of many universes. Everything we think is rare on Earth, is abundant in space.

We tend to see two scenarios that come up time and time again. The first and most common scenario is that security prices become inefficient or show large departures from intrinsic value when there are few investors paying attention to the company. The second is a crisis situation. Uncle John always had a desk-plate in his office that said 'trouble is opportunity' and that's very much how we see the markets.

By the time you've spoken to the 30th person, you'll have a good idea if your problem is substantial or not. Validation can be pretty straightforward. All it takes is communicating with people.

Last week I was asked to help the NHS get video-consultations up and running in every GP practice in the country, in one week.

I am a father of two small children. When you have children, you have to ask yourself what the world will look like in the next 80-100 years, because people get that old these days if everything goes well. Last but not least, as a father I see it as my responsibility to think about my actions and my motives.