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

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

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.

Let man heal the hurt places and revere whatever is still miraculously pristine.

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

There are many ways to salvation, and one of them is to follow a river.

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.