The hamadryas baboon is a harem holder where one male mates with multiple females.

If you look at national economies today, for example, the American economy, the European economy, the Indians, the Chinese, we're all tied together. If one of them sinks, the rest are going to sink with them and if one floats, the rest are lifted up. I find that very interesting.

When we are bad, we are worse than any primate that I know. And when we are good, we are actually better and more altruistic than any primate that I know.

The enemy of science is not religion... . The true enemy is the substitution of thought, reflection, and curiosity with dogma.

The intuitive connection children feel with animals can be a tremendous source of joy. The unconditional love received from pets, and the lack of artifice in the relationship, contrast sharply with the much trickier dealings with members of their own species.

The more self-aware an animal is, the more empathetic it tends to be.

There is little evidence that other animals judge the appropriateness of actions that do not directly affect themselves.