I want to free everyone from that misconception. You can't know everything. And when you shift from a personal attribution for not knowing—thinking, 'I don't know, but everyone else seems to, so I'll fake it or avoid the situation'—to a universal attribution—realizing, 'I don't know, you don't know, nobody knows'—you stand taller. This allows you to embrace what I believe is the most successful mindset: confident uncertainty.

This is transforming the whole of our economy and we are seeing more companies making decisions across those dimensions of risk-return-impact and being judged on the basis of the profit and impact they create. It really turns our economies away from risk-return (where they create profit without counting the huge damage they cause) to risk-return-impact.

If you look at the countries in the world that are leading in their levels of reported happiness, it's countries such as the Nordics- Denmark virtually always comes out on top. The countries where people are happiest are ones which are much more domestically oriented and not seeking world-power.

To me it was an adventure. I'm a hardened explorer and adventurer, and I remember the whole mission as an adventure with some awesome experiences and beautiful sights.

There is also a huge cultural misconception that heart disease is the patient's fault, they did something wrong to themselves. When we blame individuals and not the society that created those risk factors and behaviours, we don't react as forcefully as we could.