For how many people do you think might yet stand on this planet before the sun grows cold? That's the responsibility we hold in our hands.

Some otherwise sane scientists have seriously proposed that we tuck this deadly garbage under the edges of drifting continents but how can they be sure the moving land masses will climb over the waste and not just push it forward?

You don't need it, but will you take some advice from a Californian who's been around for a while? Cherish these rivers. Witness for them. Enjoy their unimprovable purpose as you sense it, and let those rivers that you never visit comfort you with the assurance that they are there, doing wonderfully what they have always done.

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

Politics is democracy's way of handling public business. We won't get the type of country in the kind of world we want unless people take part in the public's business.

When people say, 'You're not being realistic,' they're just trying to tag some thoughts that they can't otherwise handle.

Is the minor convenience of allowing the present generation the luxury of doubling its energy consumption every 10 years worth the major hazard of exposing the next 20,000 generations to this lethal waste?