When my parents were growing up the world's population was under three billion. During my children's lifetime, it is likely to exceed nine billion. You don't need to be an expert to realise that sustainable development is going to become the greatest challenge we face this century

There are millions of young children being educated to a very narrow-minded view of religion. And it's out of that education of large numbers of young people that you then get this extremism.

I believe Mrs. Thatcher's emphasis on enterprise was right.

The best philanthropy is not just about giving money but giving leadership. The best philanthropists bring the gifts that made them successful-the drive, the determination, the refusal to accept that something can't be done if it needs to be into their philanthropy.

Retreat might give us a moment of respite but years of repentance at our weakness would, I believe, follow.

What I will say to people is what you require are rules and not prejudices.

Some may belittle politics, but we know - who are engaged in it - that it is where people stand tall. And, although I know it has its many harsh contentions, it is still the arena that sets the heart beating a little faster. And if it is, on occasions, the place of low skulduggery, it is more often the place for the pursuit of noble causes.