Diversity in crops is just as important as diversity in ideas; both are essential for resilience.

I write plays because I have a strong moralistic streak.

Evolutionary psychology is not about what's unchangeable in human nature, but about what was adaptive in our ancestral environment.

Trust is a precious wealth built on the foundation of honesty and loyalty.

We are all born with a certain package. We are who we are: where we were born, who we were born as, how we were raised. We're kind of stuck inside that person, and the purpose of civilization and growth is to be able to reach out and empathize a little bit with other people.