Quote by Georges Cuvier
"Extinction is nature's final word on a species; once spoken, it can never be unsaid."
More from Georges Cuvier
"The animal is characterised by five senses; commune with nature and you will gain the wisdom of the ages."
"Cuvier's principle of correlation shows us that the parts of an organism must work in harmony."
"In nature, nothing is created, nothing is lost; everything changes."
"The study of fossils reveals the history written in stone."