If anybody thinks they should listen to me because I'm a professor at MIT, that's nonsense. You should decide whether something makes sense by its content, not by the letters after the name of the person who says it.

Human language appears to be a unique phenomenon, without significant analogue in the animal world.

If there was an observer on Mars, they would probably be amazed that we have survived this long.

Very urgent measures need to be taken, and without much delay, in dealing with the ongoing destruction of the environment.

In the Munich agreement in late 1938 [Franklin] Roosevelt sent his chief adviser Sumner Welles, who came back with a very supportive statement saying that Hitler was someone we could really do business with and so on.

The United States happens to be the only state in the world that has been condemned by the World Court for international terrorism.

I mean you look back at American history and American culture, it's pretty striking. I mean this has been the safest country in the world forever, and the most frightened country in the world.