Very commonly I get queries. Somebody saw something of mine on YouTube and of course if there is a talk on YouTube, there aren't any footnotes - and they want to know why did you say this. Well if they bothered to look up something in print, they would've seen why I said that. If they ask for evidence, I just say well take a look and mention something they can read and that usually ends the conversation.

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.

The change between horse and buggy to automobile is a big change and there hasn't been a major change since.

The leading student of business propaganda, Australian social scientist Alex Carey, argues persuasively that “the 20th century has been characterized by three developments of great political importance: the growth of democracy, the growth of corporate power, and the growth of corporate propaganda as a means of protecting corporate power against democracy.

There is good reason to believe that we have already entered the Sixth Extinction, a period of destruction of species on a massive scale, comparable to the Fifth Extinction 65 million years ago, when three-quarters of the species on earth were destroyed, apparently by a huge asteroid.

In the academic world, most of the work that is done is clerical. A lot of the work done by professors is routine.

If you are giving a graduate course you don't try to impress the students with oratory, you try to challenge them, get them to question you.