This tree house became our galleon, our spaceship, our Fort Apache...Ours was a learning tree. Through it we learned to trust ourselves and our abilities.

The children and nature movement is fueled by this fundamental idea: the child in nature is an endangered species, and the health of children and the health of the Earth are inseparable.

Time in nature is not leisure time; it's an essential investment in our chidlren's health (and also, by the way, in our own).

Nature is imperfectly perfect, filled with loose parts and possibilities, with mud and dust, nettles and sky, transcendent hands-on moments and skinned knees.

Every child needs nature. Not just the ones with parents who appreciate nature. Not only those of a certain economic class or culture or set of abilities. Every child.

We cannot protect something we do not love, we cannot love what we do not know, and we cannot know what we do not see. Or hear. Or sense.

By bringing nature into our lives, we invite humility.

Natural play strengthens children's self-confidence and arouses their senses-their awareness of the world and all that moves in it, seen and unseen.

What would our lives be like if our days and nights were as immersed in nature as they are in technology?

An environment-based education movement--at all levels of education--will help students realize that school isn't supposed to be a polite form of incarceration, but a portal to the wider world.

Time spent in nature is the most cost-effective and powerful way to counteract the burnout and sort of depression that we feel when we sit in front of a computer all day.

That's another sort of being haunted: starting something and never finishing it.

To err is human - and to blame it on a computer is even more so.

I think that my leadership style is to get people to fear staying in place, to fear not changing.

Ideas won't keep. Something must be done about them.

Anyone who spends their life on a computer is pretty unusual.

Truth is something we discover by carrying it out. It is not a list of statements, but a direction of life.

My Sister Rosa was bumped from the schedule. None of my books has ever been bumped before. It freaked me out.

Working with animals is always going to be tough because the animal doesn't know it's an actor.

The one problem with the Internet for journalists who like doing long form is that any story that's going to involve 16 screens on the web page... that's asking a lot of people.

The worst enemy is one whose doctrines are founded in hate and are thus beyond debate.