Many people say that if you're the brightest person in the room, you're in the wrong room – that's totally right. You need to bring in people with much more expertise than you to take the business forward. I started out making shoes by hand – I'm a shoemaker, not an intellectual.

If an average developing nation had the UK's primary and secondary education level, it would be approximately 40% wealthier. Imagine the transformational impact of such an instant leap. It's indisputable that education makes individuals highly productive, making countries richer in the long run.

I invested most of our money, not in marketing, but in service. That was crucial to our early growth- starting in Europe, but then in America, Japan and the USA.

Nobody should ever feel isolated, or like they have nowhere to turn. Whether it's at school, home, or in the workplace. Nobody should ever feel a cultural burden of silence around mental health challenges.

Roughly speaking, a child born today in a very poor country can expect to live about 40 years, while a child born today in a wealthy country could expect to live about 80 years.