I first learned the power of a Labour government to transform lives growing up in my hometown of Stockport.

We can't have children growing up feeling unloved - the price is too high for that.

Growing up without love, without being cared for, might be the worst type of poverty.

My mother suffers mental health problems and has a learning deprivation.

Politics is a noble activity. We should revalue it, practise it with vocation and a dedication that requires testimony, martyrdom, that is to die for the common good.

All of us can agree that we want government to work as well as possible, and we should all applaud efforts to improve it. But there is no escaping the divisive and essential questions: What is the purpose of the state, and whom does it serve?

We don't know yet how to build a society which is environmentally sustainable, which is shareable with everybody on the planet, which promotes stability and democracy and human rights, and which is achievable in the time-frame necessary to make it through the challenges we face.

Democracy isn't solely about polite conversations in parliaments. It needs to be continually refreshed with raw passions, anger and ideals.