A functioning eco-system is a human need.

When I was growing up in the 1930s and '40s anti-Semitism was rampant. It wasn't like Nazi Germany but it was pretty serious - it was part of life.

Evolutionary theory has nothing to say, in general, as to whether cheating is more advantageous than cooperating. There are many circumstances in which the contrary would be true, and empirical evidence, though it exists, has little bearing on real situations.

One of the dangers [that Donald Trump poses, due to the augmented risk of nuclear war] is unquestionable. Of the two existential threats - the threats to the termination of the species basically and most other species - one of them, climate change, on that I think there's no basis for discussion.

Latin America has much richer resources. You'd expect it to be far more advanced than East Asia, but it had the disadvantage of being under imperialist wings.

I don't bother writing about Fox News. It is too easy. What I talk about are the liberal intellectuals, the ones who portray themselves and perceive themselves as challenging power, as courageous, as standing up for truth and justice. They are basically the guardians of the faith. They set the limits. They tell us how far we can go. They say, 'Look how courageous I am.' But do not go one millimeter beyond that. At least for the educated sectors, they are the most dangerous in supporting power.

In fact, some leaders come right out and say it. Mario Draghi the president of the European Central Bank had an interview with the Wall St Journal in which he said the social contract's dead; we finally got rid of it.