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.

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.

It is absolutely imperative that we protect, preserve and pass on this genetic heritage for man and every other living thing in as good a condition as we received it.

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

I'm always impressed with what young people can do before older people tell them it's impossible

Childbearing should be a punishable crime against society, unless the parents hold a government license. All potential parents should be required to use contraceptive chemicals, the government issuing antidotes to citizens chosen for childbearing.

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