To me, a wilderness is where the flow of wildness is essentially uninterrupted by technology; without wilderness the world is a cage.

The more we pour the big machines, the fuel, the pesticides, the herbicides, the fertilizer and chemicals into farming, the more we knock out the mechanism that made it all work in the first place.

All technology should be assumed guilty until proven innocent

Overpopulation is perhaps the biggest problem facing us, and immigration is part of that problem. It has to be addressed.

Truth and beauty can still win battles. We need more art, more passion, more wit in defense of the Earth.

Sometimes luck is with you, and sometimes not, but the important thing is to take the dare. Those who climb mountains or raft rivers understand this.

Understanding how DNA transmits all it knows about cancer, physics, dreaming and love will keep man searching for some time.

We are no longer inheriting the Earth from our parents, we are stealing it from our children.

Without wilderness, the world's a cage.

Apollo 13, as you may remember, gave us a reactor that is bubbling away right now somewhere in the Pacific. It's supposed to be bubbling away on the moon, but it's in the Pacific Ocean instead.

Bring diversity back to agriculture. That's what made it work in the first place.

There are two types of hurdles. Difficulty and Challenge. What we face, depends on whether or not we love what we do

You speak an infinite deal of nothing.

For the first time, I understand that, as much as one might desire change, one has to be willing to take a risk, to free-fall, to fail, and that you've got to let go of the past.

Revolutionaries do not make revolutions. The revolutionaries are those who know when power is lying in the street and then they can pick it up.

If you want to be constructive in politics, the less you look back, the better. If you do look back, then it can only be to learn for yourself through the events that have taken place.

I would like a simple life / yet all night I am laying / poems away in a long box.

I have less friends, but I have more Cadbury Eggs.

We are born in mystery, we live in mystery, and we die in mystery.

I think that we will come out on top as women, as people of color, as Muslims, as transgender people, as people who are part of the disabled community - I think that we'll come out on top.

Actions speak louder than words. All companies say they care, right? But few actually exercise that care.