We'll learn fear might not mean 'stop'; personally, I've come to believe fear usually means 'go.' It always means listen closely.

There are surprising turning points; there is the straw that breaks the camel's back, and you never know if your action could be the straw.

If we start with "limits" and a premise of scarcity and fear, it makes us fearful of each other, and that makes us vulnerable to anti-democratic systems.

Relationships are the core message of ecology.

After the journey around the world, writing Hope's Edge, I began to see that it is not possible to know what's possible - and therein lies our freedom.

The problem is that our whole tribe - if you will, the larger community of humanity itself - is on a death march ecologically and in terms of the intensification of violence and conflict.

History doesn't proceed in incremental little notches.