Human diversity may be great when it comes to cuisine and poetry, but few would see witch-burning, infanticide or slavery as fascinating human idiosyncrasies that should be protected against the encroachments of global capitalism and coca-colonialism.

One potential remedy for human stupidity is a dose of humility. National, religious and cultural tensions are made worse by the grandiose feeling that my nation, my religion and my culture are the most important in the world – hence my interests should come before the interests of anyone else, or of humankind as a whole. How can we make nations, religions and cultures a bit more realistic and modest about their true place in the world?

Die Kultur behauptet gern, sie verbiete „unnatürliche“ Dinge. Aber aus biologischer Sicht ist nichts unnatürlich. Alles was möglich ist, ist definitionsgemäß auch natürlich. Eine unnatürliche Verhaltensweise, die den Gesetzen der Natur widerspricht, kann es gar nicht geben, weshalb es völlig sinnlos ist, sie verbieten zu wollen.

Money is the apogee of human tolerance. Money is more open-minded than language, state laws, cultural codes, religious beliefs and social habits. Money is the only trust system created by humans that can bridge almost any cultural gap, and that does not discriminate on the basis of religion, gender, race, age or sexual orientation.

Patriarchy has been the normal in almost all agricultural and industrial societies. ...If patriarchy in Afro-Asia resulted from some chance occurrence, why were the Aztecs and Incas patriarchal? It is far more likely that even though the precise definition of man and woman varies between cultures, there is some universal biological reason why almost all cultures valued manhood over womanhood. We do not know what this reason is; there are plenty of theories, none of the convincing.