Many entrepreneurs are deluded about their odds of success, that evidence is very clear. This creates problems… Should a government subsidise entrepreneurs who greatly over-estimate their chances of success?

In my experience, unless you are directly affected by a human rights abuse, you are unlikely to give it a second thought. How many times do you draw breath a day? It's about 22,000 times – you don't think about it until you can't. That's exactly how most people view human rights- they are generally apathetic and may express some concern or sympathy when they hear about something on the news, but they don't mobilise unless it affects them directly.

People work for technical ability and wish for happiness. That's a mistake. You need to treat your happiness the way you treat all your skills - you need to work for your happiness - not just wish for it.

Speaking about the demand side… we have skills and techniques in drug prevention and thousands of advisors have been trained by our programmes around the world to work in the community at school level, especially with children. Children are the most vulnerable group, and we must do our utmost to protect them.

For those feeling threatened or inclined to see the world's workings as a conspiracy, it's conveniently easy to blame these perceived machinations on a Jewish elite, given the long and deep-seated history of such allegations.

The truth is nobody needs a diamond. You don't need a diamond to heat your home, run your car or power your cell-phone. As a business, it's clear to us that there is only one source of value for diamonds- and that is the consumer's desire for the product. 99% of diamond demand is from the jewellery industry, less than 1% goes to industrial uses.

In television, you have to start thinking in terms of images- and understand how drama changes from its theatrical to cinematic form.

Pleasure has limits, it's fleeting, we habituate to it quickly and get bored of it. You can only experience pleasure against a backdrop of pain, difficulty, or struggle. We allocate pain and pleasure; we balance them out in clever ways.

Our mission is to help people create a life, not just a living. Our product provides the space, community and services that creators need so they can focus on their work.

This is certainly something that is not without risk. We are pursuing an audacious goal, and we very well might fail. When NASA set the Moon landing challenge, it created a whole series of capabilities and technologies that we previously could not have imagined.

We come from mammals, we are mammals… we're just mammals that wear clothes. We're destimulated – we don't feel the cold, the heat, everything in our environment – even though our physiology is built for it. Our vascular system responds naturally to temperature changes by dilating and contracting our muscles; but we've allowed them to lose this fitness, to lose their conditioning – and so our hearts compensate.

In our sport, we're constantly wrestling, punching, kicking, often ending up with black eyes. It's this constant, intense physical contact that sets our sport apart, making the mental toughness required quite unique compared to others.