If you want to swim across the English Channel from England to France - you have to leave your doubt on the beach in England.

Climate change is the Everest of all problems, the thorniest challenge facing humankind.

There is nothing more powerful than the made-up mind.

If we pass on an unsustainable environment to our children we have failed them.

Ultimately I wanted to be a pioneer swimmer, a distant descendant of Scott, Amundsen and Hillary, except that I would be an explorer of the water.

The blues is also existential and offers a sense of mature reflection that enabled it to be the leitmotif of modern life.

Of all the creatures in the world that really frighten me - the hyena in Africa, the great white shark - leopard seals are near the top of the list. They're killers. If my team spots one, they'll pull me out of the water.