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

There is no place where we can safely store worn-out reactors or their garbage. No place!

What we are finding out now is that there are not only limits to growth but also to technology and that we cannot allow technology to go on without public consent.

Politicians are like weather vanes. Our job is to make the wind blow.

I don't think we have very good records about what they were thinking except, as I pointed out earlier today, that they did invent our political system.

Keep your rivers flowing as they will, and you will continue to know the most important of all freedoms-the boundless scope of the human mind to contemplate wonders, and to begin to understand their meaning.

We are no longer inheriting the Earth from our parents, we are stealing it from our children.