"I believe, first, that all people have the same fundamental concepts, values, concerns, and commitments,
despite our diverse languages, religions, social practices, and expressed beliefs...
Second, one of our shared core systems centers on a notion that is false:
the notion that members of different human groups differ profoundly in their concepts and values.
This notion leads us to interpret the superficial differences between people as signs of deeper differences.
It has quite a grip on us: Many people would lay down their lives for perfect strangers
from their own community, while looking with suspicion at members of other communities.
And all of us are apt to feel a special pull toward those who speak our language
and share our ethnic background...
Our species is caught in a race between the progress of our science and the escalation
both of our intergroup conflicts and of the destructive means to pursue them", edge.org/q2005/q05_7.html
vgl. Large number discrimination in 6-month-old infants: