We had one or another form of state capitalism during an extremely brief period of human history, which tells us essentially nothing about human nature. If you look at human societies and human interactions, you can find anything. You find selfishness, you find altruism, you find sympathy.

Cuba has become a symbol of courageous resistance to attack. Since 1959, Cuba has been under attack from the hemispheric superpower.

Control is the source of strategic power.

The [Barack] Obama administration has pressured Mexico to keep them away from the Mexican border, so that they don't succeed in reaching the United States. Pretty much the same thing Europeans have done to Turks and Syrians.

The idea that you have to drop any thing that you might be interested in doing because you have to pass that test tomorrow and it's something that you're not interested in, that's just the opposite of education. It's also harming teaching, because the teachers are evaluated by the results of the test.

When geologists announced the beginning of a new geological epoch, the Anthropocene, humans destroying the environment, one of the main things they pointed to is the use of plastics in the earth. We don't think about it, but it has a tremendous effect. But these are things you don't see right in front of your eyes. You need to think about them a little, to see what the consequences are. It's easy to put them aside, and the media don't talk about them.

When I look at public opinion, I'm not far out of the mainstream. I'm in it, in many respects. In some respects, public opinion goes beyond anything I've ever said.