René Dubos

"The total effect of the environmental crisis cannot be evaluated because it is spread throughout the whole social structure."

- René Dubos

"Human diversity makes tolerance more than a virtue; it makes it a requirement for survival."

- René Dubos

"The incredible beauty of the earth as seen from space results largely from the fact that our planet is covered with living things."

- René Dubos

"The belief that we can manage the Earth and improve Nature is probably the biggest expression of human pride, but it has deep roots in the past and is almost universal."

- René Dubos