"The environmental crisis arises from a fundamental fault: our systems of production - in industry, agriculture, energy and transportation - essential as they are, make people sick and die."

"The age of innocent faith in science and technology may be over."

"The modern assault on the environment began about 50 years ago, during and immediately after World War II."

"My entry into the environmental arena was through the issue that so dramatically - and destructively - demonstrates the link between science and social action: nuclear weapons."

"The chief danger in life is that you may take too many precautions."

"Let thoughts come and go like clouds across an undisturbed autumn sky. Let this simple maxim guide your daily deeds — an essential principle for the reflective life."

"Change is vital to any actor. If you keep playing lead after lead, you're really gonna dry up. Because all those vehicles wean you away from the truths of human behaviour."

"The lead car is unique, except for the one behind it which is identical."