The essential function of art is moral. But a passionate, implicit morality, not didactic. A morality which changes the blood, rather than the mind.

There are three critical ingredients to democratic renewal and progressive change in America: good public policy, grassroots organizing and electoral politics.

The world changes fast, and a lot of the old country folks have a hard time keeping up with it, and it makes them sad.

In times of change learners inherit the earth while the learned find themselves beautifully equipped to deal with a world that no longer exists.

I don't need to see the old school to remember it and the teachers there. They changed the way that I've always looked at life and learning.

How we grow food has enormous effects on the environment - climate change as well as pollution of air, water, and soil.

A core part of Teach For America's mission has always been affecting positive change in the traditional public school system.

Marriage is a school itself. Also, having children. Becoming a father changed my whole life. It taught me as if by revelation.

With its billions of interconnected neurons, whose interactions change from millisecond to millisecond, the human brain is an archetypal complex system.

No, I don't regret anything at this point. That may change on the next phone call, but at the moment I don't regret anything.