Realistic' is a loaded word for me. Anyone who uses the word 'realistic' is all bad.

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.

To be loyal, it will require a dedication only you can provide. And when you begin to feel withdrawn, it may be that your passion, in your dedication, has run its course.

There are still a few of us booklovers around despite the awful warnings of Marshall McLuhan with his TV era and his pending farewell to Gutenberg.

There are two types of encryption: one that will prevent your sister from reading your diary and one that will prevent your government.

If you help and serve others, you will ultimately gain.

It's all very confusing. I think I'm very honest and candid, but I'm also proud of how honest and candid I am -- so where does that put me?

Even-handed fate Hath but one law for small and great: That ample urn holds all men's names.

All I ever wanted to do was play competitive golf against the best players in the world.

Americans threw away their communities in order to save a few dollars on hair dryers and plastic food storage tubs, never stopping to reflect on what they were destroying.

A child's character develops in accordance with the obstacles he has encountered... or the freedom favoring his development that he has enjoyed.