The response of teenagers to their idols is relevant. As an audience, they enjoy themselves, not by screaming with laughter, but screaming with screams.

We may prefer to think of ourselves as fallen angels, but in reality we are rising apes.

...In little more than a single century from 1820 to 19450, no less than fifty-nine million human animals were killed in inter-group clashes of one sort or another.... We describe these killings as men behaving "like animals," but if we could find a wild animal that showed signs of acting this way, it would be more precise to describe it as behaving like men.

The city is not a concrete jungle, it is a human zoo.

There is nothing biologically unusual about a homosexual act of pseudocopulation. Many species indulge in this, under a variety of circumstances.

We never stop investigating. We are never satisfied that we know enough to get by. Every question we answer leads on to another question. This has become the greatest survival trick of our species.

Biologically speaking, if something bites you it's more likely to be female.