If something's going wrong with this planet we'd better fix it here and not look for some sort of escape.

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.

If life is a journey, It can take you anywhere you wanna go.

Because our power is motivating, and gives momentum and ownership of changes to those who dream of failure.

Propaganda is what gives us the freedom to do as we are told.

Racists are everywhere, but historically speaking the real danger came from Progressives that desired the power of the state to engineer society upon a racial lines.

If you truly want to measure the success of a man, you do not measure it by a position he has achieved, but by the obstacles he has overcome.

None of us can come to the highest maturity without enduring the summer heat of trials.

Make greatness attainable by all.

I've learned to never expect or require performances that exceed the player's ability. If they just equal their ability, that's what you want.

I had always sung in my dad's shop. I worked there after school, and I'd be singing along with the top-40 records of the day.

Animals of all classes, old and young, shrink with instinctive fear from any strange object approaching them.