We need what I have often called an ecological approach to the management of these resources and we do not have that now. We have the inertia of past habits, unsustainable habits.

I've developed a huge regard for Toyota for its environmental awareness, for its immense commitment to research and development in this field, and for its leadership in developing hybrids which others are now following.

Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child.

I was with Ted Turner when he came to see Kofi Annan - the Secretary-General of the UN - to announce his decision to put $1 billion to the service of UN projects and programs.

We are as old as we feel. And while I never feel my calendar age, I often feel my Leaper age. And I'll go with that. Because life is not something to be run down like a counter nor counted as it runs you down. It is an experience, and we can choose to live it as we will.

I do think that fashion may end up being the 'killer app' for wearable augmented reality systems. This is in part because it's not simply task-oriented - like finding a restaurant or where your friend is currently lounging about - but experience-oriented. It becomes part of your life.

No one has a right to comment on anyone's life or the choices I do or don't make.

I think life is a matter of choices and that wherever we are, good or bad, is because of choices we make.