We, therefore, here in Britain stand shoulder to shoulder with our American friends in this hour of tragedy, and we, like them, will not rest until this evil is driven from our world.

My dad was a militant atheist, or is a militant atheist. My mum was sort of bought up in a religious family because she was a Protestant from Ireland but wasn't especially religious.

I couldn't live with myself if I thought that these big strategic choices for my generation were there, and I wasn't even making them - or I was making them according to what was expedient rather than what I actually thought was right.

Their barbarism will stand as their shame for all eternity.

There is no meeting of minds, no point of understanding with such terror. Just a choice: Defeat it or be defeated by it. And defeat it we must.

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

Our task is not to fight old battles, but to show that there is a third way, a way of marrying together an open competitive society and successful economy with a just and decent society.