We are not merely historians but also and always citizens.

We need to start talking about inequality again; we need to start talking about the inequities and unfairnesses and the injustices of an excessively divided society, divided by wealth, by opportunity, by outcome, by assets and so forth.

The different American experience of the 20th Century is crucial because the lesson of the century for Europe, which essentially is that the human condition is tragic, led it to have a build a welfare system and a set of laws and social arrangements that are more prophylactic than idealistic. It's not about building perfect futures; it's about preventing terrible pasts. I think that is something that Europeans in the second half of the 20th century knew in their bones and Americans never did, and it's one of the big differences between the two Western cultures.

We need to learn... how war brutalises and degrades winners and losers alike and what happens to us when, having heedlessly waged war for no good reason, we are encouraged to inflate and demonise our enemies in order to justify that war's indefinite continuance.

As citizens of a free society, we have a duty to look critically at our world. But if we think we know what is wrong, we must act upon that knowledge.

We have responsibilities for others, not just across space but across time. We have responsibilities to people who came before us. They left us a world of institutions, ideas or possibilities for which we, in turn, owe them something. One of the things we owe them is not to squander them.

I know exactly how and where I am going to die. The only question is when.