When I was first approached about doing an autobiography, I said, 'absolutely not.' But when I sat down, memories came pouring out. It wrote very quickly - I think there was an emotional impulse, because once I started in, the story itself carried me along. It was a very intense writing period and took a year and change to finish.

It's important always to have a sense of wonder.

I think everybody encounters difficulty. It's just more pitched in some people.

Growth is an erratic forward movement: two steps forward, one step back. Remember that and be very gentle with yourself.

One of the changes I'm driving within Nokia is to adopt what we call 'the challenger mindset.' Let's understand that we have to fight, we have to fight our way through the difficulties, we have to listen to consumers, we have to both deliver what they need and also have some creativity and insight and deliver what the don't yet know they need.

An artist's initial broad stroke is always most impactful, and obsessively adding layer upon layer of paint to fill in details often diminishes the painting's aura. When an aura is lost, it is impossible to get back.

I mean, it's fine when you're a kid and someone runs into the playground and goes, 'I've got this great game of pretend,' and you play... As an actor, getting to play, getting to use your imagination and be childish - it is weird but it's wonderful.

To think the world therefore a general Bedlam, or place of madmen, and oneself a physician, is the most necessary point of present wisdom: an important imagination, and the way to happiness.