Do not be embarrassed by your failures, learn from them and start again.
For a successful entrepreneur it can mean extreme wealth. But with extreme wealth comes extreme responsibility. And the responsibility for me is to invest in creating new businesses, create jobs, employ people, and to put money aside to tackle issues where we can make a difference.
More businesses should be following Apple's stance in encouraging more investment in sustainability.
Ridiculous yachts and private planes and big limousines won't make people enjoy life more, and it sends out terrible messages to the people who work for them. It would be so much better if that money was spent in Africa - and it's about getting a balance.
As an entrepreneur, I have been known for taking risks throughout my career, but leaving the European Union is not one of the risks I would want the U.K. to take - not as an investor, not as a father, and not as a grandfather. I am deeply concerned about the impact of leaving.
It's a common misconception that money is every entrepreneur's metric for success. It's not, and nor should it be.
From my very first day as an entrepreneur, I've felt the only mission worth pursuing in business is to make people's lives better.
Entrepreneurs are natural problem-solvers, which means that we always have ideas for new businesses popping into our heads. Having a lot of options is great, but sometimes it can be hard to focus on one when you are keen to move onto the next.
Overcoming fear is the first step to success for entrepreneurs. The winners all exemplify that, and the hard work and commitment they have shown underlines what is needed to set up a business.
To me, business isn't about wearing suits or pleasing stockholders. It's about being true to yourself, your ideas and focusing on the essentials.
When Brexiters told the public that people were exaggerating, that there would be a financial meltdown, I think it's been proven that they were not exaggerating.
An exceptional company is the one that gets all the little details right. And the people out on the front line, they know when things are not going right, and they know when things need to be improved. And if you listen to them, you can soon improve all those niggly things which turns an average company into an exceptional company.
When exploring London, you will come across lots of excitement by chance, so try to take everything in rather than just rushing around to all of the major tourist haunts.
You never know with these things when you're trying something new what can happen. This is all experimental.
Space has always fascinated me. As a young boy looking up at the stars, I found it impossible to resist thinking what was out there and if I ever would experience space first-hand.
I'm a lad of the '60s. I started a magazine to try and end the Vietnam war, but it was a number of years before I had the profile, the financial resources and the time to do more.
We have one planet in our solar system that's habitable, and that's the Earth, and space travel can transform things back here for the better. First of all, by just having people go to space and look back on this fragile planet we live on. People have come back transformed and have done fantastic things.
Through the right people focusing on the right things, we can, in time, get on top of a lot if not most of the problems of this world. And that's what a number of us are trying to do.
I've never gone into business to make money. Every Virgin product and service has been made into a reality to make a positive difference in people's lives. And by focusing on the happiness of our customers, we have been able to build a successful group of companies.
Fortunately we're not a public company - we're a private group of companies, and I can do what I want.
