And the truth is, those who are terrorists only have to succeed once, and those of us who are trying to build an inclusive society have to succeed every time.

I think the wonderment of seeing my two sons developing makes me incredibly optimistic about human potential. It makes you think: 'My goodness. It's a miracle that's going on here. What could the human race do together?'

My advice is very simple: if you can win a small battle, it gives you confidence in the political process to take on bigger battles, and so it is very much a bottom-up grass-roots way of doing politics.

Today, the UK must be the pioneer of a new model of economic change, that integrates social and environmental consideration. This is not just a question of values and moral duty. It is about our economy's capacity to sustain itself

In the future, every industry should be an environmental industry. In a world where energy and carbon emissions are constrained, every business must take resource productivity seriously

We are a European nation - must stay one.

The science is getting worse faster than the politics is getting better.