“God must see the songbird fall in order to regulate population according to food sources.”

“[Some diseases] are probably always present in population 'resrvoirs'... and in times of malnutrition or other adverse conditions [manifest]... as population controls.”

“The sheer weight [of human population] threatens that magnificent kaleidoscope of other living things which also depend on... natural sysytems.”

“Through our failure to acknowledge our oneness with the total of other population s of biological organisms...we reveal the egocentricity which has brought the world to the point of [environmental] crisis... the separation of man from his ecosystems ... has become an article of faith.”

“[The idea] of an environmental ethic runs contrary to our cultural tradition.”

“Japan is probably the best... example of the abandonment of an ancient and nature-oriented ethos for the spirit of progress, Western style.”

“To be able to turn at will, in a book of your own, to those passages which count for you, is to have your wealth at instant command, and your books become a record of your intellectual adventures...”