Sometimes we set boundaries for ourselves in life, or even worse, we allow others to do so. In many cases, these boundaries are just in our mind and need to be pushed away.

Very few things which are really worth achieving come easily. Sometimes they do, but most of the time you really have to work hard and cleverly.

I'm one of the lucky people that, my job is my passion, is my hobby. I hope this doesn't sound arrogant: I truly feel that this is what I'm meant to do, to swim and to talk about protecting the environment, my two passions.

If you've got a problem and you multiply it by 50-million people, it becomes unsolvable, but if you've got a problem and you divide it by 50-million people, it becomes solvable.

Ordinary won't change the world.

I got bored and then joined the British SAS. It was five very exciting years of my life, and then I'd always had this passion for swimming, so started swimming around the world, in some of the most exotic and distant and dangerous locations.

You shouldn't be able to do a swim at the North Pole, it should be frozen over.