I believe sustainable use is the greatest propaganda in wildlife conservation at the moment.
Steve IrwinNo evidence is powerful enough to force acceptance of a conclusion that is emotionally distasteful.
Theodosius DobzhanskyBorders? I have never seen one. But I have heard they exist in the minds of some people.
Thor HeyerdahlI have been a Professor Emeritus since 1958, and have continued my scientific studies.
Karl von Frisch